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Here are the technical service bulletins we have for the 2018 BUICK LACROSSE. If you have any questions, do not hesitate to Contact Us:
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20170612
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20170607
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Technician will inspect the oil control solenoids for metal
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20171002
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary information communicates thata vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. The technician may attempt to program the Active Safety Control Module (ASCM) and encount
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20171016
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. The dealer technician is advised to call the GM Product Quality Center for fu
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20171016
100000 POWER TRAIN
This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. The dealer technician is advised to call the GM Product Quality Center for fu
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171017
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Technician will find Diagnostic Trouble Codes P1AEE, P1AEF, P1AF0, P1AF2, a
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20171017
100000 POWER TRAIN
This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Technician will find Diagnostic Trouble Codes P1AEE, P1AEF, P1AF0, P1AF2, a
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20171018
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary information communicates thata vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. The technician may attempt to program the Active Safety Control Module (ASCM) and encount
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171018
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that a customer may bring a vehicle in with a complaint of the Heads Up Display (HUD) frozen or inoperative. The dealer technician may find the HUD inoperative and may find no communication with the
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20171012
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary information communicates to the technician, that they may be working on a concern of a Service Driver Assist System Message with B172E stored in history Do not replace any parts. Engineering is aware of the issue and a new
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 271000 LANE DEPARTURE: WARNING
20171013
271000 LANE DEPARTURE: WARNING
This Preliminary Information communicates to thetechnician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171013
110000 ELECTRICAL SYSTEM
This Preliminary Information communicates to thetechnician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171030
110000 ELECTRICAL SYSTEM
This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Changes to P
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20171114
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171114
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20171117
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates that engineering has found a fix for P3260.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20171117
353000 EQUIPMENT:ELECTRICAL
This Preliminary information communicates to the technician, that they may be working on a concern of a Service Driver Assist System Message with B172E stored in history Do not replace any parts. Engineering is aware of the issue and a new
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20171120
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary information communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171120
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20171120
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171120
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
20171107
117000 DIGITAL INSTRUMENT PANEL
This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odomete
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
20180112
280000 BACK OVER PREVENTION
This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20180112
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 015100 STEERING:HYDRAULIC POWER ASSIST:PUMP
20180112
015100 STEERING:HYDRAULIC POWER ASSIST:PUMP
This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180104
350000 EQUIPMENT
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180116
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates to look for other codesP0AEE, P0AF3, P0BD2, P0BD7, P0BDC, P0BE1 if a customer comes in with a Mil Request.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20180123
200000 WHEELS
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180118
060000 ENGINE (PWS)
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20180119
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Changes to P
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180125
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20171206
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer t
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171218
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171219
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20171220
100000 POWER TRAIN
This Preliminary information communicates that the valve body assembly for any vehicle equipped with a 9T50/60 transmission assembly equipped with the ETRS will require engineering review for possible complete transmission assembly replacem
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20171201
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 181000 VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
20171204
181000 VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
This Preliminary Information communication provides information to the technician that some owners may notice at roughly 3/4 of the way through the accelerator pedal travel there is a click felt in the pedal also the pedal gets harder to pu
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 046000 SERVICE BRAKES, AIR:ANTILOCK
20171204
046000 SERVICE BRAKES, AIR:ANTILOCK
This Preliminary Information communication provides information to the technician about vehicles that have a crank but engine does not start concern.Technician will use this publication to reset the battery low state of charge concern after
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20171218
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20170731
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20170714
111000 ELECTRICAL SYSTEM:BATTERY
This informational Bulletin provides some Diagnostic Tips for preventing unnecessary HV Battery Pack replacement.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20170717
200000 WHEELS
This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20170725
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provide policy information on required operating procedures.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20170724
118000 ELECTRICAL SYSTEM: SOFTWARE
This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20170725
118000 ELECTRICAL SYSTEM: SOFTWARE
This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20170725
111000 ELECTRICAL SYSTEM:BATTERY
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20170719
118000 ELECTRICAL SYSTEM: SOFTWARE
This informational bulletin describes what technicians should do if they are unable to perform a TRCM Range Motor Position Learn after a TRCM replacement and to validate that the TRCM has latest software.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180227
110000 ELECTRICAL SYSTEM
17406 - Service Update. Vehicles may be missing a seal plug in the electric power steering (EPS) connector cavity leading to corrosion. Vehicle may lose steering assist and/or set diagnostic trouble codes and driver information center mess
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 010000 STEERING
20180227
010000 STEERING
17406 - Service Update. Vehicles may be missing a seal plug in the electric power steering (EPS) connector cavity leading to corrosion. Vehicle may lose steering assist and/or set diagnostic trouble codes and driver information center mess
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
20171019
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
This informational bulletin advised the technician not to do anything about the DTC set.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
20171004
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
This informational bulletin advised the technician not to do anything about the DTC set.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
20171027
117000 DIGITAL INSTRUMENT PANEL
This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 114000 ELECTRICAL SYSTEM:WIRING
20171027
114000 ELECTRICAL SYSTEM:WIRING
This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
20171009
171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
This informational bulletin provides information for dealers/technicians on an outside door handle or lock cylinder cover being loose, or falling off.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
20171017
284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20171023
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 016000 STEERING:ELECTRIC POWER ASSIST SYSTEM
20180227
016000 STEERING:ELECTRIC POWER ASSIST SYSTEM
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport b
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180227
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport b
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 010000 STEERING
20180227
010000 STEERING
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport b
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171011
350000 EQUIPMENT
This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20171025
060000 ENGINE (PWS)
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171025
350000 EQUIPMENT
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171003
350000 EQUIPMENT
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20171003
111000 ELECTRICAL SYSTEM:BATTERY
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 030000 SERVICE BRAKES, HYDRAULIC
20171011
030000 SERVICE BRAKES, HYDRAULIC
This Technical bulletin provides information for rear brake pad replacement to correct a squeak type noise heard from the rear brakes when cold.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171024
350000 EQUIPMENT
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180205
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20180206
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motor
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20180207
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates that the restriction for the GF9 trans assembly has ended.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180212
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180213
060000 ENGINE (PWS)
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20180213
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20180219
111000 ELECTRICAL SYSTEM:BATTERY
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Co
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180222
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20180201
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates a concern of a MIL on with P0459 or P0443 setting and engineering investigating this condition.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190730
350000 EQUIPMENT
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170802
350000 EQUIPMENT
This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20170830
353000 EQUIPMENT:ELECTRICAL
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170823
350000 EQUIPMENT
Thins informational bulletin provides information on Paint-less Dent Repair Process.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 160000 STRUCTURE
20170823
160000 STRUCTURE
Thins informational bulletin provides information on Paint-less Dent Repair Process.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20170831
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20170822
110000 ELECTRICAL SYSTEM
This informational bulletin provides information on OnStar® VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better understand
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20170803
111000 ELECTRICAL SYSTEM:BATTERY
This informational bulletin explains how the technician no longer needs to perform the 3 hour battery relearn procedure on 2017-2018 vehicles with Start/Stop.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170807
350000 EQUIPMENT
This warranty administration bulletin provide policy information on required operating procedures.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20171128
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ECU
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20170815
110000 ELECTRICAL SYSTEM
This informational bulletin provides to the technician, locations to check for possible loose or damaged electrical connections that may set a DTC instead of just replacing a part.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355100 EQUIPMENT:OTHER:LABELS
20170809
355100 EQUIPMENT:OTHER:LABELS
This informational bulletin provides information for the service parts identification (SPID) label replacement.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20170811
111000 ELECTRICAL SYSTEM:BATTERY
This informational Bulletin provides some Diagnostic Tips for preventing unnecessary HV Battery Pack replacement.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 190000 TIRES
20180326
190000 TIRES
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Cover
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180423
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure to perform diagnostics on the codes set and if no problem is found, to replace either the input or output speed sensor.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 220000 SEATS
20180416
220000 SEATS
This technical bulletin provides repair information to correct a customer concern of front seat slight rocking movement while shifting weight from seat, during hard stops, and/or when driving over rough road surface.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20180307
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20180410
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assista
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180427
110000 ELECTRICAL SYSTEM
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for theGenerator Control Module (GCM). The dealer technician is advised to call the GMTechnical AssistanceCent
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180328
060000 ENGINE (PWS)
This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20180328
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20180309
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180308
060000 ENGINE (PWS)
This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20180308
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
20180327
117000 DIGITAL INSTRUMENT PANEL
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180327
350000 EQUIPMENT
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20180327
111000 ELECTRICAL SYSTEM:BATTERY
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 030000 BRAKES (PWS)
20180301
030000 BRAKES (PWS)
This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20180301
200000 WHEELS
This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
20180321
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
This informational bulletin provides information for technicians during diagnosis for DTC U0420.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
20180222
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
This technical bulletin provides a procedure to check the temp sensor connection and program the ECM.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180316
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 020000 SUSPENSION
20170329
020000 SUSPENSION
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 161100 STRUCTURE: FRAME AND MEMBERS:UNDERBODY SHIELDS
20180406
161100 STRUCTURE: FRAME AND MEMBERS:UNDERBODY SHIELDS
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 132000 VISIBILITY:GLASS, SIDE/REAR
20180413
132000 VISIBILITY:GLASS, SIDE/REAR
This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 010000 STEERING
20170317
010000 STEERING
This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20170809
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171127
110000 ELECTRICAL SYSTEM
This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20170814
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Preliminary information communicates that the valve body assembly for any vehicle equipped with a 9T50/60 transmission assembly equipped with the ETRS will require engineering review for possible complete transmission assembly replacem
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20170816
353000 EQUIPMENT:ELECTRICAL
The PI was created to advise of an engineering investigation for a concern of unable to connect toOnStar Virtual Advisor when selecting "New Destination" in the OnStar menu.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171117
350000 EQUIPMENT
This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20171212
100000 POWER TRAIN
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 275300 LANE DEPARTURE: SENSING SYSTEM: RADAR
20171129
275300 LANE DEPARTURE: SENSING SYSTEM: RADAR
This Technical bulletin Reprograms the Radar Sensor Module-Long Range to correct a Forward Collision Alert Inoperative, Unwanted Application of Emergency Brakes and/or Adaptive Cruise Control Drops Out condition.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 264300 FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: RADAR
20171129
264300 FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: RADAR
This Technical bulletin Reprograms the Radar Sensor Module-Long Range to correct a Forward Collision Alert Inoperative, Unwanted Application of Emergency Brakes and/or Adaptive Cruise Control Drops Out condition.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20171128
353000 EQUIPMENT:ELECTRICAL
This informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20170821
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blo
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20170822
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motor
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20170803
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Preliminary information communicates that engineering is working on a fix for P3260.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 102000 POWER TRAIN:MANUAL TRANSMISSION
20170803
102000 POWER TRAIN:MANUAL TRANSMISSION
This Preliminary information communicates that engineering is working on a fix for P3260.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171207
350000 EQUIPMENT
This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171207
110000 ELECTRICAL SYSTEM
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171201
110000 ELECTRICAL SYSTEM
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20171205
111000 ELECTRICAL SYSTEM:BATTERY
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20170829
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170829
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20170829
060000 ENGINE (PWS)
This Preliminary information communicates to look for other codesP0AEE, P0AF3, P0BD2, P0BD7, P0BDC, P0BE1 if a customer comes in with a Mil Request.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
20170829
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
This Preliminary information communicates to look for other codesP0AEE, P0AF3, P0BD2, P0BD7, P0BDC, P0BE1 if a customer comes in with a Mil Request.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180430
110000 ELECTRICAL SYSTEM
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Co
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180430
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Co
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
20180403
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
This technical bulletin provides a procedure to reprogram the TCM to correct a condition of Vehicle Wont Shift Out of Park, Stuck in Gear or Tie Up Feeling on 1-2 Shift, Wont Shift Into Park or Reverse, PRNDL May Blink with Possible DTC P18
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
20171122
284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or pixelated
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20171211
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171211
350000 EQUIPMENT
This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171221
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
20171221
063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20171204
353000 EQUIPMENT:ELECTRICAL
This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171204
350000 EQUIPMENT
This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171222
350000 EQUIPMENT
This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171222
110000 ELECTRICAL SYSTEM
This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353600 EQUIPMENT:AIR CONDITIONER
20171215
353600 EQUIPMENT:AIR CONDITIONER
This technical bulletin provides a procedure to clean out the HVAC drain hose if a vehicle has a condition of Front Carpet Wet and/or Musty Smell with Possible DTC P3055 or P3056 due to the water coming inside.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180312
060000 ENGINE (PWS)
This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Changes to P
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20180313
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assista
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180313
060000 ENGINE (PWS)
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20180322
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 010000 STEERING
20170313
010000 STEERING
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20170307
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20170309
100000 POWER TRAIN
This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20170310
110000 ELECTRICAL SYSTEM
This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. If this concern i
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180131
350000 EQUIPMENT
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20180131
111000 ELECTRICAL SYSTEM:BATTERY
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 250000 ELECTRONIC STABILITY CONTROL
20180108
250000 ELECTRONIC STABILITY CONTROL
This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 162300 STRUCTURE:BODY:DOOR
20180108
162300 STRUCTURE:BODY:DOOR
This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 134000 VISIBILITY:SUN ROOF ASSEMBLY
20180108
134000 VISIBILITY:SUN ROOF ASSEMBLY
This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 131000 VISIBILITY:WINDSHIELD
20180108
131000 VISIBILITY:WINDSHIELD
This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180108
110000 ELECTRICAL SYSTEM
This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
20180108
104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO-CHARGER
20180112
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO-CHARGER
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20180312
111000 ELECTRICAL SYSTEM:BATTERY
18046 - Service Update. On certain vehicles, the motor generator unit (MGU) coolant hose may contact the battery power inverter module (BPIM). Customers may experience a coolant leak. Dealers are to install a shorter bolt. They should al
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSE
20180312
062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSE
18046 - Service Update. On certain vehicles, the motor generator unit (MGU) coolant hose may contact the battery power inverter module (BPIM). Customers may experience a coolant leak. Dealers are to install a shorter bolt. They should al
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180312
060000 ENGINE AND ENGINE COOLING
18046 - Service Update. On certain vehicles, the motor generator unit (MGU) coolant hose may contact the battery power inverter module (BPIM). Customers may experience a coolant leak. Dealers are to install a shorter bolt. They should al
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171130
350000 EQUIPMENT
This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that e
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
20180131
063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171122
350000 EQUIPMENT
This bulletin describes the Dealer special tool loan program process.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20171130
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
20180117
135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20171122
100000 POWER TRAIN
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 190000 TIRES
20180104
190000 TIRES
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehic
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20171117
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180112
350000 EQUIPMENT
This information bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20180129
111000 ELECTRICAL SYSTEM:BATTERY
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170515
350000 EQUIPMENT
This informational bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20170523
110000 ELECTRICAL SYSTEM
This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20170510
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20170522
200000 WHEELS
This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170523
350000 EQUIPMENT
This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 050000 PARKING BRAKE
20170519
050000 PARKING BRAKE
This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20170802
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20170517
060000 ENGINE (PWS)
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20180427
353000 EQUIPMENT:ELECTRICAL
This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170504
350000 EQUIPMENT
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170510
350000 EQUIPMENT
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
20170510
073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170502
350000 EQUIPMENT
This warranty administration bulletin provide policy information on required operating procedures.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20180126
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information retaining to the fact that Service Manuals will now be available on USB.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20171221
080000 FUEL SYSTEM, DIESEL
This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20171221
070000 FUEL SYSTEM, GASOLINE
This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 190000 TIRES
20171214
190000 TIRES
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20171215
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provide policy information on required operating procedures.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171215
350000 EQUIPMENT
This warranty administration bulletin provide policy information on required operating procedures.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20171204
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20171204
350000 EQUIPMENT
This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
20180411
072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
This bulletin provides procedure information for hard to fuel and/or fuel filling station nozzle shuts off repeatedly due to the vapor generation reduction device inside the fuel filler pipe.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180420
110000 ELECTRICAL SYSTEM
This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180404
350000 EQUIPMENT
This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180403
350000 EQUIPMENT
This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180425
350000 EQUIPMENT
This bulletin provides information on approved warranty part numbers for original equipment batteries.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 114000 ELECTRICAL SYSTEM:WIRING
20180406
114000 ELECTRICAL SYSTEM:WIRING
This technical bulletin provides a procedure to repair the crankshaft positioning sensor wiring harness by installing a new wiring harness.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180419
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20180403
100000 POWER TRAIN
This technical bulletin provides a procedure to replace the transmission valve body separator plate for an upshift condition.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180409
350000 EQUIPMENT
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20180426
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20180426
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180426
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180419
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides information for engine oil life monitor operation calculation.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20180423
070000 FUEL SYSTEM, GASOLINE
This informational bulletin provides a diagnostic procedure for the technician when diagnosing a short in the fuel control system.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20180409
100000 POWER TRAIN
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180227
060000 ENGINE (PWS)
This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of asse
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20180227
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of asse
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20180201
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20180201
111000 ELECTRICAL SYSTEM:BATTERY
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180227
060000 ENGINE (PWS)
This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20180213
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180215
060000 ENGINE (PWS)
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20180215
118000 ELECTRICAL SYSTEM: SOFTWARE
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180220
356000 EQUIPMENT ADAPTIVE
This technical bulletin provides a procedure to replace the transmission valve body separator plate for an upshift condition.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20180220
100000 POWER TRAIN
This technical bulletin provides a procedure to replace the transmission valve body separator plate for an upshift condition.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180228
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 045200 SERVICE BRAKES, AIR:DISC:PADS
20180208
045200 SERVICE BRAKES, AIR:DISC:PADS
This Technical bulletin provides information for rear brake pad replacement to correct a squeak type noise heard from the rear brakes when cold.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 034520 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
20180208
034520 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
This Technical bulletin provides information for rear brake pad replacement to correct a squeak type noise heard from the rear brakes when cold.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180726
350000 EQUIPMENT
This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180727
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about vehicles that may have Circular Distortion in the Circle Icons and the Buick Tri-Shield Start Up Screen on the radio display. Dealer should advise the c
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180730
110000 ELECTRICAL SYSTEM
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Co
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20180730
100000 POWER TRAIN
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Co
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20170315
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides policy information with the field action courtesy transportation policy.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 134000 VISIBILITY:SUN ROOF ASSEMBLY
20180703
134000 VISIBILITY:SUN ROOF ASSEMBLY
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20180703
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary information communicates to the technician, that they may be working on a concern of a Service Driver Assist System Message with B172E stored in history Do not replace any parts. Engineering is aware of the issue and a new
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20180703
353000 EQUIPMENT:ELECTRICAL
This Preliminary information communicates to the technician, that they may be working on a concern of a Service Driver Assist System Message with B172E stored in history Do not replace any parts. Engineering is aware of the issue and a new
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 274200 LANE DEPARTURE: LANE KEEP: STEERING ASSIST
20180706
274200 LANE DEPARTURE: LANE KEEP: STEERING ASSIST
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 275100 LANE DEPARTURE: SENSING SYSTEM: CAMERA
20180706
275100 LANE DEPARTURE: SENSING SYSTEM: CAMERA
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 271000 LANE DEPARTURE: WARNING
20180706
271000 LANE DEPARTURE: WARNING
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20180709
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. The
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20180709
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. The
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180709
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. The
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
20180807
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
18239 - Emissions Recall - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2018 model year vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). On some vehicles, an
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20181023
350000 EQUIPMENT
This Preliminary information communicates
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 130000 VISIBILITY
20171117
130000 VISIBILITY
This informational bulletin provides information for assisting the customer in setting the position for the memory mirror and the reverse tilt
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20171204
353000 EQUIPMENT:ELECTRICAL
This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180516
356000 EQUIPMENT ADAPTIVE
18175 - Service Update. vehicles may have the incorrect bolt installed on the brake pedal assembly box. Inspect and replace bolts.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180516
350000 EQUIPMENT
18175 - Service Update. vehicles may have the incorrect bolt installed on the brake pedal assembly box. Inspect and replace bolts.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 031000 SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
20180516
031000 SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
18175 - Service Update. vehicles may have the incorrect bolt installed on the brake pedal assembly box. Inspect and replace bolts.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180905
350000 EQUIPMENT
This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180906
110000 ELECTRICAL SYSTEM
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Co
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180919
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about vehicles that have a crank but engine does not start concern.Technician will use this publication to reset the battery low state of charge concern after
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353600 EQUIPMENT:AIR CONDITIONER
20181010
353600 EQUIPMENT:AIR CONDITIONER
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20181001
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Technician will find Diagnostic Trouble Codes P1AEE, P1AEF, P1AF0, P1AF2, a
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20181012
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Technician will need to ensure the key FOB is a new unit and has not been programmed to another vehicle previousl
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20181012
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Technician will need to ensure the key FOB is a new unit and has not been programmed to another vehicle previousl
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
20181003
072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
20181003
072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20181003
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20181009
100000 POWER TRAIN
This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Technician will find Diagnostic Trouble Codes P1AEE, P1AEF, P1AF0, P1AF2, a
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20181022
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about vehicles that have the outside air temperature display reading incorrectly. Dealer should advise the customer that the outside air temperature will not
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20181009
060000 ENGINE (PWS)
This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355100 EQUIPMENT:OTHER:LABELS
20181009
355100 EQUIPMENT:OTHER:LABELS
This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20181009
060000 ENGINE (PWS)
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180608
350000 EQUIPMENT
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assista
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20180615
100000 POWER TRAIN
This Preliminary Information communication advises the technician that the Product Quality Center has ended the part restriction for the T87A Transmission Control Module.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20180618
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician about vehicles that may have Circular Distortion in the Circle Icons and the Buick Tri-Shield Start Up Screen on the radio display. Dealer should advise the c
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180611
060000 ENGINE (PWS)
This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180611
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353600 EQUIPMENT:AIR CONDITIONER
20180620
353600 EQUIPMENT:AIR CONDITIONER
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180626
060000 ENGINE (PWS)
This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180614
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone cont
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20180614
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone cont
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180517
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180517
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 020000 SUSPENSION
20180517
020000 SUSPENSION
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180517
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the Generator Control Module (GCM). The dealer technician is advised to call the GMTechnical AssistanceCen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180517
350000 EQUIPMENT
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the Generator Control Module (GCM). The dealer technician is advised to call the GMTechnical AssistanceCen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180517
110000 ELECTRICAL SYSTEM
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the Generator Control Module (GCM). The dealer technician is advised to call the GMTechnical AssistanceCen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180508
356000 EQUIPMENT ADAPTIVE
This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180508
350000 EQUIPMENT
This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180523
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Ap
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180523
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Ap
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180525
356000 EQUIPMENT ADAPTIVE
This Preliminary information communicates that a p0A90 could be caused by a missing Stop bolt and Brace. This is for the lower tensioner that can tavel to far with out the stop.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180525
350000 EQUIPMENT
This Preliminary information communicates that a p0A90 could be caused by a missing Stop bolt and Brace. This is for the lower tensioner that can tavel to far with out the stop.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20180525
111000 ELECTRICAL SYSTEM:BATTERY
This Preliminary information communicates that a p0A90 could be caused by a missing Stop bolt and Brace. This is for the lower tensioner that can tavel to far with out the stop.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180525
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates that a p0A90 could be caused by a missing Stop bolt and Brace. This is for the lower tensioner that can tavel to far with out the stop.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 031000 SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
20180516
031000 SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
18175 - Service Update. vehicles may have the incorrect bolt installed on the brake pedal assembly box. Inspect and replace bolts.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180809
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180809
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180809
060000 ENGINE (PWS)
This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Changes to P
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180814
060000 ENGINE (PWS)
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180820
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180820
350000 EQUIPMENT
This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180828
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20180828
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180808
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blo
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190226
350000 EQUIPMENT
This informational bulletin provides the dealer with information on what to do when requesting a new key code for the customer.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20170911
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20170911
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170911
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20181113
060000 ENGINE (PWS)
This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024). Revised to include the possibility of setting in pairs and some drivabili
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20190103
100000 POWER TRAIN
This technical bulletin provides a procedure to replace the 3-8 clutches and program the TCM to correct the customers concern.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20181121
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availabilit
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 020000 SUSPENSION
20170714
020000 SUSPENSION
17247 - Service Update. Certain vehicles may exhibit a rattle noise in the rear of the vehicle. This noise may be caused by a loose rear suspension bolt. The bolt could work its way out completely, causing a clunk and rear steering input wh
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 010000 STEERING
20170714
010000 STEERING
17247 - Service Update. Certain vehicles may exhibit a rattle noise in the rear of the vehicle. This noise may be caused by a loose rear suspension bolt. The bolt could work its way out completely, causing a clunk and rear steering input wh
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20181126
110000 ELECTRICAL SYSTEM
This PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fa
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20181126
070000 FUEL SYSTEM, GASOLINE
This PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fa
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20181126
350000 EQUIPMENT
This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse o
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 160000 STRUCTURE
20181126
160000 STRUCTURE
This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse o
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190213
060000 ENGINE (PWS)
This Bulletin Provides Information for Repairing Engine Front Cover Oil Leak, Sealing Surface Preparation and Applying RTV Sealant.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 190000 TIRES
20190215
190000 TIRES
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Cover
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 270000 LANE DEPARTURE
20181115
270000 LANE DEPARTURE
This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. The technician may attempt to program the Active Safety Control Module (ASCM) and encoun
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 185000 VEHICLE SPEED CONTROL:CRUISE CONTROL
20181115
185000 VEHICLE SPEED CONTROL:CRUISE CONTROL
This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. The technician may attempt to program the Active Safety Control Module (ASCM) and encoun
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190308
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 270000 LANE DEPARTURE
20181119
270000 LANE DEPARTURE
This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 220000 SEATS
20181119
220000 SEATS
This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20181120
060000 ENGINE (PWS)
This Preliminary information communicates that a customer may bring a vehicle in with a complaint that the engine rpm increased and/or the vehicle downshifted for no reason. The dealer is instructed to test drive the vehicle and check for c
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20181120
100000 POWER TRAIN
This Preliminary information communicates that a customer may bring a vehicle in with a complaint that the engine rpm increased and/or the vehicle downshifted for no reason. The dealer is instructed to test drive the vehicle and check for c
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190205
350000 EQUIPMENT
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20170906
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20190313
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190208
350000 EQUIPMENT
This warranty nonadministrative bulletin provides information on the proper use of the labor operation 0600014.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 270000 LANE DEPARTURE
20190205
270000 LANE DEPARTURE
This technical bulletin provides a procedure to replace the Front Seat Lane Departure Warning Actuator if the B172E is set in the seat control module.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190208
350000 EQUIPMENT
This technical bulletin provides a procedure to replace the HUD if found the cause of the Head-Up Display Inoperative or MIL Illuminated concern.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20190319
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20190208
111000 ELECTRICAL SYSTEM:BATTERY
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20181217
100000 POWER TRAIN
This technical bulletin provides a procedure to replace the transmission valve body separator plate for an upshift condition.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20181211
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if vehicles apply within the settings.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20181214
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20181214
100000 POWER TRAIN
This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20190227
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024). Revised to include the possibility of setting in pairs and some drivabili
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20181217
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190218
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20181206
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190219
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
20181203
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 160000 STRUCTURE
20181204
160000 STRUCTURE
This Preliminary information communicates that a vehicle may come to the dealer with a complaint of a no start or a stall condition. The dealer technician is directed to inspect for the ground cable to G103 either not properly installed or
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190219
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Technician will need to ensure the key FOB is a new unit and has not been programmed to another vehicle previousl
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20181211
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20190219
070000 FUEL SYSTEM, GASOLINE
This PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fa
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190204
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates that a rotational clicking noise heard after engine shut down is a design characteristic and no repairs should be attempted.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 HYBRID POWERTRAIN
20190222
100000 HYBRID POWERTRAIN
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction that has ended for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Bat
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190213
060000 ENGINE AND ENGINE COOLING
This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20190228
100000 POWER TRAIN
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retentio
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 190000 TIRES
20181205
190000 TIRES
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190131
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 030000 BRAKES (PWS)
20181207
030000 BRAKES (PWS)
This technical bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20181207
356000 EQUIPMENT ADAPTIVE
This technical bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20181207
350000 EQUIPMENT
This technical bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 120000 EXTERIOR LIGHTING
20181213
120000 EXTERIOR LIGHTING
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20190124
353000 EQUIPMENT:ELECTRICAL
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190215
350000 EQUIPMENT
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190114
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides policy information on required operating procedures.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20181221
350000 EQUIPMENT
This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 020000 SUSPENSION
20181217
020000 SUSPENSION
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190131
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20181217
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport b
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 114000 ELECTRICAL SYSTEM:WIRING
20190118
114000 ELECTRICAL SYSTEM:WIRING
This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20181213
350000 EQUIPMENT
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20181205
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 220000 SEATS
20181205
220000 SEATS
This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20181205
110000 ELECTRICAL SYSTEM
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20181030
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician about vehicles that may have Circular Distortion in the Circle Icons and the Buick Tri-Shield Start Up Screen on the radio display. Dealer should advise the c
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20181030
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about vehicles that may have Circular Distortion in the Circle Icons and the Buick Tri-Shield Start Up Screen on the radio display. Dealer should advise the c
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20181030
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that may have Circular Distortion in the Circle Icons and the Buick Tri-Shield Start Up Screen on the radio display. Dealer should advise the c
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20181105
350000 EQUIPMENT
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 021530 SUSPENSION:FRONT:CONTROL ARM:LOWER ARM
20181102
021530 SUSPENSION:FRONT:CONTROL ARM:LOWER ARM
This technical bulletin provides a procedure to replace both front lower control arms to correct the condition of Front End Rattle Noise when Braking Moderate or Hard on Rough Surfaces due to metal on metal contact within the control arms.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 021500 SUSPENSION:FRONT:CONTROL ARM
20181102
021500 SUSPENSION:FRONT:CONTROL ARM
This technical bulletin provides a procedure to replace both front lower control arms to correct the condition of Front End Rattle Noise when Braking Moderate or Hard on Rough Surfaces due to metal on metal contact within the control arms.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20170920
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170920
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20170920
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
20170921
284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268,
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 270000 LANE DEPARTURE
20170921
270000 LANE DEPARTURE
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268,
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 030000 BRAKES (PWS)
20170921
030000 BRAKES (PWS)
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268,
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20170921
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268,
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20170921
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268,
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170921
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268,
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 050000 PARKING BRAKE
20170921
050000 PARKING BRAKE
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268,
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20190123
200000 WHEELS
This informational bulletin explains the wheel Road Force balancers and what they can do for customer concerns.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
20170927
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
The Preliminary Information communicates that avehicle may come into the dealer with a SES light on and code P0446 set in Engine Control Module. Dealer is instructed to inspect the EVAP air inlet pipe to the EVAP canister for dust intrusion
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20170928
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic Sy
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190502
350000 EQUIPMENT
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190322
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170914
350000 EQUIPMENT
This informational bulletin explains the importance of maintaining the vehicle.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190315
356000 EQUIPMENT ADAPTIVE
This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish".
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190315
350000 EQUIPMENT
This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish".
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190315
110000 ELECTRICAL SYSTEM
This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish".
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20170927
200000 WHEELS
17339 - Service Update. Certain vehicles equipped with a spare tire (RPO QCL), may have a spare wheel assembly installed that will not have the correct lug pattern and either cannot be mounted to the vehicle, or may be difficult to mount w
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190314
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190326
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190301
060000 ENGINE (PWS)
This informational bulletin provides information on a normal engine operating condition for faster emission warm up time.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 190000 TIRES
20190509
190000 TIRES
This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190307
356000 EQUIPMENT ADAPTIVE
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20190307
080000 FUEL SYSTEM, DIESEL
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20190307
070000 FUEL SYSTEM, GASOLINE
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190311
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20190311
111000 ELECTRICAL SYSTEM:BATTERY
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20170905
060000 ENGINE (PWS)
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190625
350000 EQUIPMENT
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20190320
111000 ELECTRICAL SYSTEM:BATTERY
This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190325
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190325
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190325
350000 EQUIPMENT
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190322
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information on proper use of floor mats.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190322
350000 EQUIPMENT
This informational bulletin provides information on proper use of floor mats.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 030000 SERVICE BRAKES, HYDRAULIC
20190326
030000 SERVICE BRAKES, HYDRAULIC
This Technical bulletin provides information for rear brake pad replacement to correct a squeak type noise heard from the rear brakes when cold.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190401
060000 ENGINE AND ENGINE COOLING
The Preliminary Information communicates that a vehicle may come into the dealer with a SES light on and code P0446 set in Engine Control Module. Dealer is instructed to inspect the EVAP air inlet pipe to the EVAP canister for dust intrusio
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170912
350000 EQUIPMENT
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20170912
060000 ENGINE AND ENGINE COOLING
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 114000 ELECTRICAL SYSTEM:WIRING
20170914
114000 ELECTRICAL SYSTEM:WIRING
This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20190322
118000 ELECTRICAL SYSTEM: SOFTWARE
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190322
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20190322
353000 EQUIPMENT:ELECTRICAL
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20170907
350000 EQUIPMENT
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20170907
111000 ELECTRICAL SYSTEM:BATTERY
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20170926
060000 ENGINE (PWS)
This informational bulletin advises the technician not to change the crankshaft balancer if it has the illusion of a wobble or vibration appearance.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20190606
100000 POWER TRAIN
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retentio
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190314
356000 EQUIPMENT ADAPTIVE
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190314
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190314
350000 EQUIPMENT
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190314
110000 ELECTRICAL SYSTEM
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 020000 SUSPENSION
20170922
020000 SUSPENSION
This informational bulletin provides information on RDM Axle Ratios for AWD Vehicles for Vibration Diagnostics When Using the Pico Scope
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20190520
100000 POWER TRAIN
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190325
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 114000 ELECTRICAL SYSTEM:WIRING
20170912
114000 ELECTRICAL SYSTEM:WIRING
This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20170912
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20170919
110000 ELECTRICAL SYSTEM
This informational bulletin provides information for programming the low speed LAN module due to the mirrors memory position reverse tilt position is inoperative.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20170920
111000 ELECTRICAL SYSTEM:BATTERY
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190508
350000 EQUIPMENT
This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20190626
080000 FUEL SYSTEM, DIESEL
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20190626
070000 FUEL SYSTEM, GASOLINE
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190626
356000 EQUIPMENT ADAPTIVE
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190626
110000 ELECTRICAL SYSTEM
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190611
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190611
110000 ELECTRICAL SYSTEM
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
20190521
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
20190610
062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20190506
100000 POWER TRAIN
N182200470 - Customer Satisfaction - Certain 2018 model year Buick Enclave and LaCrosse vehicles, and 2018 - 2019 model year GMC Terrain vehicles, may have a condition that occurs when the driver places the vehicle in neutral immediately fo
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190625
060000 ENGINE (PWS)
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190625
350000 EQUIPMENT
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190626
356000 EQUIPMENT ADAPTIVE
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190626
350000 EQUIPMENT
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190625
356000 EQUIPMENT ADAPTIVE
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190625
350000 EQUIPMENT
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190528
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190415
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician that First Responder Guides for General Motors vehicles can be accessed via the web at http://www.gmstc.com. or http://www.nfpa.org/
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20190416
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Technician sh
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190416
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Technician sh
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190507
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190815
060000 ENGINE (PWS)
Certain 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse, and 2018 model year Buick Regal vehicles may have a condition which affects the electrical connection to one of the vehicle?s accelerator pedal position sen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 181000 VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
20190815
181000 VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
Certain 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse, and 2018 model year Buick Regal vehicles may have a condition which affects the electrical connection to one of the vehicle?s accelerator pedal position sen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190815
110000 ELECTRICAL SYSTEM
Certain 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse, and 2018 model year Buick Regal vehicles may have a condition which affects the electrical connection to one of the vehicle?s accelerator pedal position sen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 134000 VISIBILITY:SUN ROOF ASSEMBLY
20190423
134000 VISIBILITY:SUN ROOF ASSEMBLY
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190402
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190402
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190424
060000 ENGINE (PWS)
This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20190424
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190726
350000 EQUIPMENT
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190506
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190506
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190819
350000 EQUIPMENT
This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190402
350000 EQUIPMENT
This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 102000 POWER TRAIN:MANUAL TRANSMISSION
20190402
102000 POWER TRAIN:MANUAL TRANSMISSION
This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190603
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190918
110000 ELECTRICAL SYSTEM
N192266190 - Service Update. Certain vehicles may have an engine control software issue that can occur during a stop/start event that is causing drivability concerns such as the engine running roughly. Potential reduced engine power or engi
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190918
060000 ENGINE AND ENGINE COOLING
N192266190 - Service Update. Certain vehicles may have an engine control software issue that can occur during a stop/start event that is causing drivability concerns such as the engine running roughly. Potential reduced engine power or engi
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190920
110000 ELECTRICAL SYSTEM
N192266190 01 - Service Update. Certain 2018 model year Buick LaCrosse, Enclave, Cadillac XT5 and Chevrolet Traverse vehicles may have an engine control software issue that can occur during an automatic stop/start event. Immediately follow
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20190812
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190613
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190823
350000 EQUIPMENT
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190821
060000 ENGINE AND ENGINE COOLING
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190401
350000 EQUIPMENT
This informational bulletin provides information on proper use of floor mats.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190710
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technician
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20190520
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This technical bulletin provides a procedure to program the radio to correct a condition of Circular Image Distortion in circle icons and Buick Tri-Shield Start-up Screen.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190923
350000 EQUIPMENT
This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 160000 STRUCTURE
20190426
160000 STRUCTURE
This technical bulletin provides a procedure to add a washer to prevent the rear shock outer housing making solid contact with the shock mount isolation rubber.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 020000 SUSPENSION
20190426
020000 SUSPENSION
This technical bulletin provides a procedure to add a washer to prevent the rear shock outer housing making solid contact with the shock mount isolation rubber.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20190618
070000 FUEL SYSTEM, GASOLINE
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Technician will nee
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190925
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20190716
200000 WHEELS
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 180000 VEHICLE SPEED CONTROL
20190716
180000 VEHICLE SPEED CONTROL
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 160000 STRUCTURE
20190719
160000 STRUCTURE
This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190729
350000 EQUIPMENT
This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and a
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190823
110000 ELECTRICAL SYSTEM
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20190709
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Technician will find Diagnostic Trouble Codes P1AEE, P1AEF, P1AF0, P1AF2, a
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190916
350000 EQUIPMENT
This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 270000 LANE DEPARTURE
20190918
270000 LANE DEPARTURE
This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190918
110000 ELECTRICAL SYSTEM
This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20190401
111000 ELECTRICAL SYSTEM:BATTERY
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 270000 LANE DEPARTURE
20190709
270000 LANE DEPARTURE
This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Troubl
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20190905
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technician
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 010000 STEERING
20190805
010000 STEERING
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190813
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190906
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190815
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20191002
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20191021
100000 POWER TRAIN
This informational bulletin advises the tech of a possible normal condition caused when the transmission performs a 1-2 upshift at light throttle and why the D in the PRNDL will flash.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200204
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technician
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200228
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200228
350000 EQUIPMENT
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 162000 STRUCTURE:BODY
20200228
162000 STRUCTURE:BODY
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 010000 STEERING
20190917
010000 STEERING
This engineering informational bulletin is requesting to gather information from the field to determine a root cause for a condition of a stick-Slip Type Condition Felt in Steering Wheel at Highway Speeds. The information gathered will be u
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190917
060000 ENGINE AND ENGINE COOLING
This engineering informational bulletin is requesting to gather information from the field to determine a root cause for a condition of oil leaking from the valve rocker arm oil control valve. The information gathered will be used to develo
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20191118
060000 ENGINE (PWS)
This technical bulletin provides a procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20191118
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This technical bulletin provides a procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200121
350000 EQUIPMENT
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ret
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20191014
060000 ENGINE (PWS)
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200228
350000 EQUIPMENT
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 160000 STRUCTURE
20200228
160000 STRUCTURE
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200228
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20190918
350000 EQUIPMENT
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20191002
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20191009
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information on key code security and information on GM key code look up applications.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20191010
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 270000 LANE DEPARTURE
20191025
270000 LANE DEPARTURE
This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Troubl
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200127
350000 EQUIPMENT
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20200127
200000 WHEELS
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20191022
350000 EQUIPMENT
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20191009
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20191002
110000 ELECTRICAL SYSTEM
N192266190 02 - Service Update - (Revised Service Procedure for XT5). Certain vehicles may have an engine control software issue that can occur during an automatic stop/start event. Immediately following an auto-start and while the vehicle
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20191029
100000 POWER TRAIN
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200129
350000 EQUIPMENT
This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20191016
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 010000 STEERING
20191001
010000 STEERING
This engineering information bulletin is requesting to gather information from the field to determine a root cause for a condition of a stick-Slip Type Condition Felt in Steering Wheel at Highway Speeds. The information gathered will be use
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20200108
100000 POWER TRAIN
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200214
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 220000 SEATS
20200228
220000 SEATS
This technical bulletin provides repair information to correct a customer concern of front seat slight rocking movement while shifting weight from seat, during hard stops, and/or when driving over rough road surface.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200207
060000 ENGINE (PWS)
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200207
350000 EQUIPMENT
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20191014
100000 POWER TRAIN
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retentio
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200117
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
20200123
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200122
356000 EQUIPMENT ADAPTIVE
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement to correct a MIL Illuminated with DTCs and active shutters being inoperative.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200122
350000 EQUIPMENT
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement to correct a MIL Illuminated with DTCs and active shutters being inoperative.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 114000 ELECTRICAL SYSTEM:WIRING
20200122
114000 ELECTRICAL SYSTEM:WIRING
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement to correct a MIL Illuminated with DTCs and active shutters being inoperative.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
20191216
280000 BACK OVER PREVENTION
This Technical bulletin provides information for rear brake pad replacement to correct a squeak type noise heard from the rear brakes when cold.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 030000 SERVICE BRAKES, HYDRAULIC
20191216
030000 SERVICE BRAKES, HYDRAULIC
This Technical bulletin provides information for rear brake pad replacement to correct a squeak type noise heard from the rear brakes when cold.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200214
356000 EQUIPMENT ADAPTIVE
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200214
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200210
356000 EQUIPMENT ADAPTIVE
This engineering Information (EI) ends the need for information from the field for a condition of oil leaking from the valve rocker arm oil control valve. If a vehicle is encountered with this condition, refer to SI for further diagnosis.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200210
110000 ELECTRICAL SYSTEM
This engineering Information (EI) ends the need for information from the field for a condition of oil leaking from the valve rocker arm oil control valve. If a vehicle is encountered with this condition, refer to SI for further diagnosis.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200214
350000 EQUIPMENT
This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20200214
200000 WHEELS
This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200226
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 190000 TIRES
20200226
190000 TIRES
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200102
356000 EQUIPMENT ADAPTIVE
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200102
350000 EQUIPMENT
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
20200102
073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200227
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200228
060000 ENGINE (PWS)
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200228
356000 EQUIPMENT ADAPTIVE
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200228
350000 EQUIPMENT
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20191125
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20191125
350000 EQUIPMENT
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20191122
100000 POWER TRAIN
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20191113
100000 POWER TRAIN
Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20191125
350000 EQUIPMENT
This engineering information (EI) closure ends the need for information from the field on a stick-slip type condition felt in steering wheel at highway speeds. If a vehicle is encountered with the this condition, refer to SI for further dia
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20191125
200000 WHEELS
This engineering information (EI) closure ends the need for information from the field on a stick-slip type condition felt in steering wheel at highway speeds. If a vehicle is encountered with the this condition, refer to SI for further dia
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 010000 STEERING
20191125
010000 STEERING
This engineering information (EI) closure ends the need for information from the field on a stick-slip type condition felt in steering wheel at highway speeds. If a vehicle is encountered with the this condition, refer to SI for further dia
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20191112
356000 EQUIPMENT ADAPTIVE
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel B
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20191112
350000 EQUIPMENT
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel B
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20191112
200000 WHEELS
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel B
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 190000 TIRES
20191112
190000 TIRES
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel B
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20191105
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200114
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 270000 LANE DEPARTURE
20191219
270000 LANE DEPARTURE
This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200131
110000 ELECTRICAL SYSTEM
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20191126
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20191126
350000 EQUIPMENT
This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 160000 STRUCTURE
20200123
160000 STRUCTURE
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 120000 LIGHTING (PWS)
20191112
120000 LIGHTING (PWS)
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20191112
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20191112
350000 EQUIPMENT
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 270000 LANE DEPARTURE
20200113
270000 LANE DEPARTURE
This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 010000 STEERING
20200113
010000 STEERING
This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 200000 WHEELS
20191112
200000 WHEELS
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 046000 SERVICE BRAKES, AIR:ANTILOCK
20191112
046000 SERVICE BRAKES, AIR:ANTILOCK
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20191212
350000 EQUIPMENT
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200414
356000 EQUIPMENT ADAPTIVE
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 162000 STRUCTURE:BODY
20200414
162000 STRUCTURE:BODY
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200417
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped fo
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200403
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200403
350000 EQUIPMENT
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200427
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200427
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200428
356000 EQUIPMENT ADAPTIVE
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200428
350000 EQUIPMENT
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200520
110000 ELECTRICAL SYSTEM
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
20200506
117000 DIGITAL INSTRUMENT PANEL
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200506
350000 EQUIPMENT
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20191115
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
N192216310 - Service Update - Certain vehicles may have a condition wherethe customer may be able to shift out of park with and expired latent fault mode counter. This will only occur after the customer ignores multiple driver information c
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200521
060000 ENGINE (PWS)
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200526
060000 ENGINE (PWS)
This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
20200527
117000 DIGITAL INSTRUMENT PANEL
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200527
350000 EQUIPMENT
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200428
350000 EQUIPMENT
This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200428
110000 ELECTRICAL SYSTEM
This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200528
110000 ELECTRICAL SYSTEM
This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200327
356000 EQUIPMENT ADAPTIVE
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200327
350000 EQUIPMENT
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200327
060000 ENGINE (PWS)
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200327
350000 EQUIPMENT
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20200327
100000 POWER TRAIN
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200505
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200505
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200507
350000 EQUIPMENT
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20200508
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. The ongoing Coronavirus (COVID-19) pandemic has caused significant reductions in
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200508
060000 ENGINE (PWS)
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200508
356000 EQUIPMENT ADAPTIVE
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
20200508
073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200302
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
20200505
073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200429
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 190000 TIRES
20200429
190000 TIRES
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200320
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200330
060000 ENGINE (PWS)
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200330
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 100000 POWER TRAIN
20200330
100000 POWER TRAIN
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 350000 EQUIPMENT
20200306
350000 EQUIPMENT
This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200318
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 190000 TIRES
20200304
190000 TIRES
This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20200331
353000 EQUIPMENT:ELECTRICAL
This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.
This 2018 BUICK LACROSSE Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200303
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
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