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Here are the technical service bulletins we have for the 2018 GMC SIERRA 1500. If you have any questions, do not hesitate to Contact Us:
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20171107
353000 EQUIPMENT:ELECTRICAL
This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20171113
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option C
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20171113
100000 POWER TRAIN
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option C
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 190000 TIRES
20171121
190000 TIRES
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 220000 SEATS
20171130
220000 SEATS
This Preliminary Information communication advises the technician that vehicles with front seat Regular Production Option Codes A52, AZ3, or B3F may comment about low treble, or excessive bass from the front door speakers. This is a normal
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20171120
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe
This 2018 GMC SIERRA 1500 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 how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 160000 STRUCTURE
20171121
160000 STRUCTURE
This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20171103
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary information communicates to the dealer technicians to refer to campaign 17337 for calibration updates for P20EE.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20171103
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with exces
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20171103
100000 POWER TRAIN
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with exces
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20171107
010000 STEERING
This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to re
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 118500 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
20171221
118500 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
This Preliminary Information communication provides information to the technician about vehicles that have Trailer connection not recognized or “Check Trailer wiring” or “Service Trailer Brake” message. Technician ma
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 162810 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS
20171221
162810 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS
This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 162800 STRUCTURE:BODY:HOOD
20171221
162800 STRUCTURE:BODY:HOOD
This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20190729
100000 POWER TRAIN
This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180124
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Ca
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
20180118
280000 BACK OVER PREVENTION
This Preliminary Information communication provides information to the technician about vehicles that have a Harsh Shift 1/2 and 2/3 and Sputter Applying Throttle Between 0 and 30%, Rough idle. Technician may find Diagnostic Trouble Codes P
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180131
110000 ELECTRICAL SYSTEM
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the A15, Starter Generator (MGU). The dealer technician is advised to call the GMTechnical AssistanceCente
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180126
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20171218
060000 ENGINE AND ENGINE COOLING
This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Please discard
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20171211
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20171219
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicatesA vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm.Abroken rocker arms that could result in the valve dropping to the cylinder, causing a catastr
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20171220
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Code P026A. The owner's manual advises not to drive above 45 MPH
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 125000 EXTERIOR LIGHTING:BRAKE LIGHTS
20171220
125000 EXTERIOR LIGHTING:BRAKE LIGHTS
This Preliminary Information communication provides information to the technician about vehicles that have installed an aftermarket bed cap or topper may question where they can wire in the center high mounted stop light for the cap or topp
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20171220
100000 POWER TRAIN
This Preliminary information communicates to the dealer technician how to diagnose for a possible damaged or broken pushrod.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20171215
060000 ENGINE (PWS)
This Preliminary Information communication advises the technician that the 6.6L Diesel Engine exchange program has ended.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20171215
080000 FUEL SYSTEM, DIESEL
This Preliminary Information communication advises the technician that the 6.6L Diesel Engine exchange program has ended.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20171215
100000 POWER TRAIN
This Preliminary information communicates to the dealer technician how to diagnose for a possible damaged or broken pushrod.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180103
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication provides information to the technician about vehicles that the engine may run hot with the snow plow installed. Do not exceed 64 kilometers per hour / 40 miles per hour with a snow plow mounted to
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20171027
353000 EQUIPMENT:ELECTRICAL
This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20171027
350000 EQUIPMENT
This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180207
060000 ENGINE (PWS)
This Preliminary information communicatesP0016 setting after internal engire repair. The engine Base timing is not being set correctly. The information in this PI will be helpful in setting the timing in the vehicle.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 132000 VISIBILITY:GLASS, SIDE/REAR
20190731
132000 VISIBILITY:GLASS, SIDE/REAR
This technical bulletin provides repair information to correct a customer concern of hearing excessive wind noise from front side door glass area.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 210000 TRAILER HITCHES
20190708
210000 TRAILER HITCHES
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180423
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to re
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20180423
010000 STEERING
This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to re
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20180226
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 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180226
110000 ELECTRICAL SYSTEM
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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20171103
010000 STEERING
This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 210000 TRAILER HITCHES
20171107
210000 TRAILER HITCHES
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20171108
100000 POWER TRAIN
This informational bulletin provides information for the technicians to refer to SI for additional diagnostics to correct anomaly in the ECM and TCM.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20171120
353000 EQUIPMENT:ELECTRICAL
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, possible
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20171120
350000 EQUIPMENT
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, possible
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 162300 STRUCTURE:BODY:DOOR
20171130
162300 STRUCTURE:BODY:DOOR
This technical bulletin provides repair information to correct a customer concern of hearing excessive wind noise from front side door glass area.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
20171122
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 200000 WHEELS
20171109
200000 WHEELS
This informational bulletin provides information for 22" accessory wheel/tire usages.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20171122
118000 ELECTRICAL SYSTEM: SOFTWARE
This Technical bulletin provides information on new software to correct the rear camera display being too bright.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20171211
010000 STEERING
This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20171212
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180322
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Ca
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 203000 WHEELS:LUGS/NUTS/BOLTS
20180326
203000 WHEELS:LUGS/NUTS/BOLTS
This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22" Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ) or production
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 282000 BACK OVER PREVENTION: WARNINGS
20180327
282000 BACK OVER PREVENTION: WARNINGS
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and /or the body control module. For vehicles equipped with U
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180328
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (L83), 5.3L (L86), 6.2L (LV3) engines are equipped with a t
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 126000 EXTERIOR LIGHTING:TURN SIGNAL
20180213
126000 EXTERIOR LIGHTING:TURN SIGNAL
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Both Front Low Beam, High Beam, Day Time Running Lamps (DRL) and Turn Signals Inoperative.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 121300 EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH
20180213
121300 EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Both Front Low Beam, High Beam, Day Time Running Lamps (DRL) and Turn Signals Inoperative.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20180202
080000 FUEL SYSTEM, DIESEL
This technical bulletin provides a procedure to Add 1 quart of coolant to the upper chamber of the surge tank in order to bring the level up to the bottom of the fill neck to correct a condition of the coolant surge tank appears low and/or
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180202
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to Add 1 quart of coolant to the upper chamber of the surge tank in order to bring the level up to the bottom of the fill neck to correct a condition of the coolant surge tank appears low and/or
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180606
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates. A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as wel
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
20180913
030000 BRAKES (PWS)
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have issues were the customer will need increased effort to depress the brake pedal. Technician may find
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 020000 SUSPENSION
20180914
020000 SUSPENSION
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related t
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 102000 POWER TRAIN:MANUAL TRANSMISSION
20180919
102000 POWER TRAIN:MANUAL TRANSMISSION
This Preliminary information communicatesSES lamp, setting DTC P0333 when shifting the Transmissionfrom park.DTC P0333 cansetdue to voltage from the Transmission park/neutral signal 1circuit bleeding into the knock sensor system circuits.If
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20180919
100000 POWER TRAIN
This Preliminary information communicatesSES lamp, setting DTC P0333 when shifting the Transmissionfrom park.DTC P0333 cansetdue to voltage from the Transmission park/neutral signal 1circuit bleeding into the knock sensor system circuits.If
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180501
356000 EQUIPMENT ADAPTIVE
This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 353600 EQUIPMENT:AIR CONDITIONER
20180501
353600 EQUIPMENT:AIR CONDITIONER
This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180501
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
20181019
030000 BRAKES (PWS)
This Preliminary Information communication provides information to the technician about vehicles that have a detent / click with a feel of increased resistance when the accelerator pedal is about ¾ of the way. The new accelerator ped
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20180612
010000 STEERING
This Preliminary information communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers foot well area when turning. It explains how to properly lubricate the column shaft boot where the shaft intera
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180612
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates. A vehicle may have a concern ofDTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 160000 STRUCTURE
20180612
160000 STRUCTURE
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Technician will
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 020000 SUSPENSION
20180612
020000 SUSPENSION
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Technician will
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20180627
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6.2L (L86) engines are equipped with a t
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180627
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6.2L (L86) engines are equipped with a t
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20180627
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6.2L (L86) engines are equipped with a t
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20180518
350000 EQUIPMENT
This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20180518
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180522
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information Center
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20180522
356000 EQUIPMENT ADAPTIVE
This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. This may be the result of a deformed or improperly seated steering shaft seal allowing engine compartmen
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20180522
350000 EQUIPMENT
This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. This may be the result of a deformed or improperly seated steering shaft seal allowing engine compartmen
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20180522
010000 STEERING
This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. This may be the result of a deformed or improperly seated steering shaft seal allowing engine compartmen
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 260000 FORWARD COLLISION AVOIDANCE
20180511
260000 FORWARD COLLISION AVOIDANCE
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20180524
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. For vehicles equipped with Ul
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 050000 PARKING BRAKE
20180524
050000 PARKING BRAKE
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. For vehicles equipped with Ul
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20180530
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Technician will need to remove the seat bottom tr
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 220000 SEATS
20180530
220000 SEATS
This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Technician will need to remove the seat bottom tr
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20190107
350000 EQUIPMENT
This technical bulletin provides repair information to correct a customer concern of hearing a pickup box ornamentation bar (Sports Bar) wind noise or rattle.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20181126
350000 EQUIPMENT
This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 162500 STRUCTURE:BODY:TAILGATE
20181126
162500 STRUCTURE:BODY:TAILGATE
This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20181115
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. The haptic seat motor has a pig
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20181114
350000 EQUIPMENT
This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 160000 STRUCTURE
20181114
160000 STRUCTURE
This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20181114
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20181119
060000 ENGINE (PWS)
This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. This may be the result of a deformed or improperly seated steering shaft seal allowing engine compartment
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20181119
010000 STEERING
This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. This may be the result of a deformed or improperly seated steering shaft seal allowing engine compartment
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20181120
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service informa
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 026000 TRACTION CONTROL SYSTEM
20181120
026000 TRACTION CONTROL SYSTEM
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service informa
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20190107
010000 STEERING
N182190820 - Customer Satisfaction Program. Certain vehicles, may have a condition where the power steering belt may slip due to tooth wear-out or poor belt tooth-to-gear tooth fit. Power steering assist may be reduced or lost intermittent
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190201
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190204
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system m
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20170906
080000 FUEL SYSTEM, DIESEL
This Preliminary Information communication provides information to the technician that some vehicle may have an “ Exhaust Fluid Quality Poor ” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other e
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
20170906
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
This Preliminary Information communication provides information to the technician that some vehicle may have an “ Exhaust Fluid Quality Poor ” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other e
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190315
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary Information communication advises the technician that the Product Quality Center part restriction has ended for the 8L45 and 8L90 park actuator rod.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
20190225
284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: - Yellow - Blurry - Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gri
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
20181213
030000 BRAKES (PWS)
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20190208
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Pair the iPhone to the system then enter the Bluetooth settings menu, sele
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 162500 STRUCTURE:BODY:TAILGATE
20181217
162500 STRUCTURE:BODY:TAILGATE
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190215
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20181217
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. Dealer should reference the latest version of General Motors Upfitter Integ
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20190218
010000 STEERING
This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 210000 TRAILER HITCHES
20190218
210000 TRAILER HITCHES
This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Tech
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190218
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Tech
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
20181204
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This Preliminary information communicates to dealer technicians to refer to service update bulletin N182179090 for 2018 model vehicles and to use labor operation 4029959 Emissions - Customer Concern Not Duplicated (CCND) for 2017 model year
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
20181204
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This Preliminary information communicates to dealer technicians to refer to service update bulletin N182179090 for 2018 model vehicles and to use labor operation 4029959 Emissions - Customer Concern Not Duplicated (CCND) for 2017 model year
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20181213
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 353100 EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES
20190220
353100 EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES
This Preliminary information communicates Content Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV. If the vehicle is not equipped with Remote Vehicle Start RPO BTV the vehicle will not have Content T
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20190221
100000 POWER TRAIN
This Preliminary Information communication provides information to the technician that a whine noise heard from the automatic transmission fluid pan hear with the the key on and engine off, or for up to one minute after the vehicle has been
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20181211
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190207
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates P0016 setting after internal engire repair. The engine Base timing is not being set correctly. The information in this PI will be helpful in setting the timing in the vehicle.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190208
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be on
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190208
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be on
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190122
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190206
060000 ENGINE (PWS)
This informational bulletin provides information on High Oil Pressure during Initial Start of Vehicle is considered a normal characteristic and no repairs should be completed for this condition.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 120000 EXTERIOR LIGHTING
20181210
120000 EXTERIOR LIGHTING
This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory bo
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20181102
060000 ENGINE (PWS)
This Preliminary information communicates to the dealer an issue where the vehicle's service engine soon light may illuminate due to trouble codes P0601-P0604, P0606, P062B, P062F, P0630, P16F3, or P262B . The dealer is to inspect the engin
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 275100 LANE DEPARTURE: SENSING SYSTEM: CAMERA
20181203
275100 LANE DEPARTURE: SENSING SYSTEM: CAMERA
This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key fob range.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 130000 VISIBILITY
20181203
130000 VISIBILITY
This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key fob range.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20181210
356000 EQUIPMENT ADAPTIVE
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20181210
350000 EQUIPMENT
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20181210
070000 FUEL SYSTEM, GASOLINE
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 220000 SEATS
20181217
220000 SEATS
This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190110
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure to locate and repair a possible short in the 5294 circuit and correct the customers concern.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190129
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to program the ECM if found to be the cause of the customers concern.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20181228
010000 STEERING
This Preliminary information communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers footwell area when turning. It explains how to properly lubricate the column shaft boot where the shaft intera
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 120000 EXTERIOR LIGHTING
20190124
120000 EXTERIOR LIGHTING
This informational bulletin explains normal operation of HID bulbs when driving over road irregularities.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20190117
350000 EQUIPMENT
This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190131
060000 ENGINE AND ENGINE COOLING
This engineering informational bulletin is requesting information for a picture of debris on the bore of a throttle body.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 114000 ELECTRICAL SYSTEM:WIRING
20190118
114000 ELECTRICAL SYSTEM:WIRING
This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20190118
070000 FUEL SYSTEM, GASOLINE
This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20190124
350000 EQUIPMENT
This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. If snow and/or ice is present on the active grille air shutters, take pictures and submit through the Field R
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20190226
350000 EQUIPMENT
This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 200000 WHEELS
20181107
200000 WHEELS
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Missing/Wrong Wheel Trim Shipped with New Vehicle.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 160000 STRUCTURE
20181107
160000 STRUCTURE
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Missing/Wrong Wheel Trim Shipped with New Vehicle.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20181107
350000 EQUIPMENT
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of A/C Not Cool Due to No Pressure Build.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20181101
350000 EQUIPMENT
This engineering informational bulletin is requesting information pictures of windshield, steering wheel and/or door trim panel for product issues covered under warranty.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20170927
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicatesA vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm.Abroken rocker arms that could result in the valve dropping to the cylinder, causing a catastr
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20181108
060000 ENGINE (PWS)
This informational bulletin provides information on characteristics of the new engine versus the old engine.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190206
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20190115
070000 FUEL SYSTEM, GASOLINE
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20170912
350000 EQUIPMENT
N172118130 Stop Delivery population revision. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. The revised list provides the Ve
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20170914
350000 EQUIPMENT
N172118130 Stop Delivery population revision. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added and some vehicles have been removed from this stop delivery or
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 151000 SEAT BELTS:FRONT
20170914
151000 SEAT BELTS:FRONT
17366 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. The GM field action number is 17366. The driver?s and front passenger?s seat belt retractors in these vehicles may have been built
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 150000 SEAT BELTS
20170914
150000 SEAT BELTS
17366 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. The GM field action number is 17366. The driver?s and front passenger?s seat belt retractors in these vehicles may have been built
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20170919
350000 EQUIPMENT
17366 Stop Delivery Population Revision. On September 14, 2017, GM ordered a stop delivery of certain vehicles. Some vehicles have been removed from this stop delivery order because they were repaired at the plant, or had been sold prior t
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 150000 SEAT BELTS
20170922
150000 SEAT BELTS
17366 Service Update. The driver?s and front passenger?s seat belt retractors in certain vehicles may have been built with different torsion bars than were used in testing the vehicles. Dealers will replace seat belt retractors for driver a
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 355100 EQUIPMENT:OTHER:LABELS
20170929
355100 EQUIPMENT:OTHER:LABELS
17357 and 17366 - Service update. General Motors has released four field actions related to a condition in which certain vehicles may have an incorrect torsion bar built into the front seat belt retractors. Vehicles in dealer new inventory
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20170927
070000 FUEL SYSTEM, GASOLINE
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20170921
100000 POWER TRAIN
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 220000 SEATS
20190415
220000 SEATS
This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 052310 PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR
20190408
052310 PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR
This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 050000 PARKING BRAKE
20190408
050000 PARKING BRAKE
This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 021240 SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY
20190613
021240 SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY
This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190528
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service informa
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 026000 TRACTION CONTROL SYSTEM
20190528
026000 TRACTION CONTROL SYSTEM
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service informa
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190528
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service informa
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20170920
080000 FUEL SYSTEM, DIESEL
This informational bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these conditions.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
20170920
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
This informational bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these conditions.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
20170906
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This informational bulletin provides information on a Service Emission System Message and/or a Malfunction Indicator Lamp illuminated. This usually occurs after recently filling the DEF tank with the ignition in the on position due to some
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20170906
350000 EQUIPMENT
This informational bulletin explains to the technician how to validate software calibrations have been tampered with by means of using aftermarket mods.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
20170913
284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
This Technical bulletin provides information on new software to correct the rear camera display being too bright.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
20170913
280000 BACK OVER PREVENTION
This Technical bulletin provides information on new software to correct the rear camera display being too bright.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20190626
010000 STEERING
This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20190206
080000 FUEL SYSTEM, DIESEL
This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 022142 SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET
20190625
022142 SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET
This technical bulletin provides a procedure for re-torque the lead springs.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 022140 SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
20190625
022140 SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
This technical bulletin provides a procedure for re-torque the lead springs.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190619
356000 EQUIPMENT ADAPTIVE
This technical bulletin provides a procedure to change the diff fluid if found the cause of the customers concern.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
20190619
104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
This technical bulletin provides a procedure to change the diff fluid if found the cause of the customers concern.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 355100 EQUIPMENT:OTHER:LABELS
20170901
355100 EQUIPMENT:OTHER:LABELS
N172118130 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. We are investigating an issue relating to the accuracy of the New Car Assessment Program (NCAP) ratings on the Monroney label f
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20170901
350000 EQUIPMENT
N172118130 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. We are investigating an issue relating to the accuracy of the New Car Assessment Program (NCAP) ratings on the Monroney label f
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20170906
350000 EQUIPMENT
N172118130 Stop Delivery. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. Until further instructions are received, involved vehi
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20190409
118000 ELECTRICAL SYSTEM: SOFTWARE
This Preliminary Information communication provides information to the technician about vehicles that have "Service 4 Wheel Drive" message on the Driver Information Center. Provides the technician with additional information to ensure that
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
20190409
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
This Preliminary Information communication provides information to the technician about vehicles that have "Service 4 Wheel Drive" message on the Driver Information Center. Provides the technician with additional information to ensure that
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190409
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician wil
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
20190624
030000 BRAKES (PWS)
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190410
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician wil
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190410
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician wil
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 162600 STRUCTURE:BODY:HATCHBACK/LIFTGATE
20190411
162600 STRUCTURE:BODY:HATCHBACK/LIFTGATE
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with t
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190411
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with t
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
20190412
117000 DIGITAL INSTRUMENT PANEL
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190412
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20190412
350000 EQUIPMENT
This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
20190415
030000 BRAKES (PWS)
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190415
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 030000 SERVICE BRAKES, HYDRAULIC
20190418
030000 SERVICE BRAKES, HYDRAULIC
This Preliminary Information communication provides information to the technician on the step needed to diagnose and repair vehicles that may have uneven brake pad wear. Technician will need to inspect and measure the brake pads thickness.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 162300 STRUCTURE:BODY:DOOR
20190508
162300 STRUCTURE:BODY:DOOR
This Preliminary information communicates an issues with water/ice building up on the door sill plate and advising dealership to inspect and reseal the door water deflector.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 160000 STRUCTURE
20190508
160000 STRUCTURE
This Preliminary information communicates an issues with water/ice building up on the door sill plate and advising dealership to inspect and reseal the door water deflector.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
20190509
030000 BRAKES (PWS)
This Preliminary information communicates the location of the GM Accessory Performance Brake System Rotor Specifications
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190424
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 160000 STRUCTURE
20190424
160000 STRUCTURE
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 120000 EXTERIOR LIGHTING
20190424
120000 EXTERIOR LIGHTING
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190424
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 020000 SUSPENSION
20190520
020000 SUSPENSION
This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. If published Service Information diagnostics do not lead to a
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20190408
060000 ENGINE (PWS)
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician wil
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20190604
100000 POWER TRAIN
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option C
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 020000 SUSPENSION
20190614
020000 SUSPENSION
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communicati
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20190617
070000 FUEL SYSTEM, GASOLINE
This Preliminary Information communication provides information to the technician for a vehicle setting both a P2635 and P018B diagnostic trouble codes. The following steps may help to determine if this is caused by a fuel pressure sensor n
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20190624
353000 EQUIPMENT:ELECTRICAL
This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) not
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20190426
100000 POWER TRAIN
This informational bulletin provides information on Click or Tick Noise on 3-4 Shift that it should be considered a normal characteristic.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190619
060000 ENGINE AND ENGINE COOLING
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 Codes P0340 and P0341 setting at times.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 200000 WHEELS
20190625
200000 WHEELS
This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22" Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ) or productio
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190920
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190829
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have Diagnostic Trouble Code P06DD or no or low oil pressure. Technician will replace timing chain tensioner g
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20190904
010000 STEERING
This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) repl
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20191008
100000 POWER TRAIN
This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20191001
060000 ENGINE AND ENGINE COOLING
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20191014
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20191017
080000 FUEL SYSTEM, DIESEL
This informational bulletin explains how to identify possible DEF contamination.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
20191014
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20191119
356000 EQUIPMENT ADAPTIVE
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 160000 STRUCTURE
20191119
160000 STRUCTURE
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
20200219
030000 BRAKES (PWS)
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system m
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200219
356000 EQUIPMENT ADAPTIVE
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system m
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200219
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system m
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 020000 SUSPENSION
20200219
020000 SUSPENSION
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system m
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20191015
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician on how the radio display gets the air ambient temperature. On 1500 series trucks and all sport utility vehicle with regular production option code IO3 radio t
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20191025
070000 FUEL SYSTEM, GASOLINE
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20191030
350000 EQUIPMENT
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 181000 VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
20191025
181000 VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
This Preliminary Information communication provides information to the technician about vehicles that have a detent / click with a feel of increased resistance when the accelerator pedal is about ¾ of the way. The new accelerator pedal desi
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 130000 VISIBILITY
20191028
130000 VISIBILITY
This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Inspect the center console harness area at the hinge pi
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20191028
110000 ELECTRICAL SYSTEM
This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Inspect the center console harness area at the hinge pi
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20191028
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20191011
060000 ENGINE AND ENGINE COOLING
N182202780 01 - Special Coverage. Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance. The condition is more prevalent at low s
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 021240 SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY
20191031
021240 SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY
This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20191011
111000 ELECTRICAL SYSTEM:BATTERY
This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 160000 STRUCTURE
20200212
160000 STRUCTURE
This technical bulletin provides a procedure to add washers on the lower column mounting bracket locations due to the shaft laying on the metal support at the bottom of the column.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200227
356000 EQUIPMENT ADAPTIVE
Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. The front passenger seat may be
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 220000 SEATS
20200227
220000 SEATS
Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. The front passenger seat may be
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20191014
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 071100 FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
20200108
071100 FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20200108
070000 FUEL SYSTEM, GASOLINE
This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200114
356000 EQUIPMENT ADAPTIVE
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20200114
010000 STEERING
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200107
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. This
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20200107
100000 POWER TRAIN
Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. This
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200114
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Phone Charging Cycles On and Off When Connected to the Single Port USB Hub.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200128
060000 ENGINE (PWS)
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away to correct a crank/No Start condition.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 260000 FORWARD COLLISION AVOIDANCE
20191003
260000 FORWARD COLLISION AVOIDANCE
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20200123
350000 EQUIPMENT
This preliminary information bulletin provides a procedure for installing a aftermarket tool or utility box.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
20200131
133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causi
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200131
110000 ELECTRICAL SYSTEM
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causi
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20191024
100000 POWER TRAIN
This engineering information bulletin ends the need for information from the field on an Intermittent No Forward and/or No Reverse While Driving condition. If this condition is encountered, refer to SI for further diagnosis.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20191122
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Clock Shows Dashes and Cannot be Set After Battery Disconnect.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
20191209
030000 BRAKES (PWS)
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200117
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20200117
100000 POWER TRAIN
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 210000 TRAILER HITCHES
20191219
210000 TRAILER HITCHES
This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Tech
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200110
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 350000 EQUIPMENT
20200117
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200117
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 121000 EXTERIOR LIGHTING:HEADLIGHTS
20200128
121000 EXTERIOR LIGHTING:HEADLIGHTS
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 120000 EXTERIOR LIGHTING
20200128
120000 EXTERIOR LIGHTING
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200128
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200110
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or his
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 353100 EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES
20191112
353100 EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES
This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 270000 LANE DEPARTURE
20191112
270000 LANE DEPARTURE
This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
20200114
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20191122
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Technician will need to test the cooling system looking for leaks at th
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200430
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 GMC SIERRA 1500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200430
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 GMC SIERRA 1500 Technical Service Bulletin affects the 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
20200414
251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnosti
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200427
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20200428
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. The Driver Information Cente
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200304
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20200304
100000 POWER TRAIN
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
20200302
280000 BACK OVER PREVENTION
This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: - Yellow - Blurry - Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gri
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20200302
353000 EQUIPMENT:ELECTRICAL
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200302
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
20200521
030000 BRAKES (PWS)
This Preliminary information communicates the location of the GM Accessory Performance Brake System Rotor Specifications
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200527
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200528
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to reprog
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 100000 POWER TRAIN
20200528
100000 POWER TRAIN
This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to reprog
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 010000 STEERING
20200528
010000 STEERING
This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to reprog
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 020000 SUSPENSION
20200309
020000 SUSPENSION
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related t
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 192000 TIRES:SIDEWALL
20200309
192000 TIRES:SIDEWALL
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 190000 TIRES
20200309
190000 TIRES
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200311
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) not
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 031100 SERVICE BRAKES, ELECTRIC
20200320
031100 SERVICE BRAKES, ELECTRIC
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Trailer Brake message in the Driver Information Center. Also the vehicle will have a Diagnostic Trouble Code U0415 set.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200320
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Trailer Brake message in the Driver Information Center. Also the vehicle will have a Diagnostic Trouble Code U0415 set.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 031100 SERVICE BRAKES, ELECTRIC
20200320
031100 SERVICE BRAKES, ELECTRIC
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200320
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200507
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20200508
070000 FUEL SYSTEM, GASOLINE
This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
20200520
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
This technical bulletin provides a procedure to replace the cooling fan if found contacting the shroud causing the customers concern.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200504
060000 ENGINE AND ENGINE COOLING
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200504
060000 ENGINE (PWS)
This technical bulletin provides a procedure to program the ECM to correct the customers concern.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200504
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure to program the ECM to correct the customers concern.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200504
060000 ENGINE (PWS)
This technical bulletin provides a procedure to program the ECM to correct the customers concern.
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200504
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure to program the ECM to correct the customers concern.
This 2018 GMC SIERRA 1500 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 GMC SIERRA 1500 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 GMC SIERRA 1500 Technical Service Bulletin affects the 138200 VISIBILITY:DEFROSTER/DEFOGGER SYSTEM:REAR WINDOW
20200325
138200 VISIBILITY:DEFROSTER/DEFOGGER SYSTEM:REAR WINDOW
Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. This
This 2018 GMC SIERRA 1500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200325
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. This
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