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Here are the technical service bulletins we have for the 2020 CHEVROLET SILVERADO 4500HD. If you have any questions, do not hesitate to Contact Us:
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20190228
350000 EQUIPMENT
This Informational bulletin provides important instructions for contacting the Fleet Action Center for repair authorization prior to replacement of certain parts.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20190401
350000 EQUIPMENT
This informational bulletin provides information on proper use of floor mats.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 100000 POWER TRAIN
20190520
100000 POWER TRAIN
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190325
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190325
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20190325
350000 EQUIPMENT
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190325
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190314
356000 EQUIPMENT ADAPTIVE
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20190314
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20190314
350000 EQUIPMENT
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190314
110000 ELECTRICAL SYSTEM
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 190000 TIRES
20190507
190000 TIRES
This warranty administration bulletin provides the information on General Motors Tire Warranty Policies and Procedures for Low Cab Forward Medium Duty Trucks (US Medium Duty Dealers Only).
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20190624
070000 FUEL SYSTEM, GASOLINE
This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Technicians
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20190819
350000 EQUIPMENT
This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20190726
350000 EQUIPMENT
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20190823
350000 EQUIPMENT
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20190820
353000 EQUIPMENT:ELECTRICAL
This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190813
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20190925
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20190814
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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20190628
356000 EQUIPMENT ADAPTIVE
N192265570 - Service Update. Certain vehicles may have misalignment between the transmission output shaft and the transfer case input. Transfer case to transmission misalignment could cause the transfer case shift collar to slip out of enga
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20190628
350000 EQUIPMENT
N192265570 - Service Update. Certain vehicles may have misalignment between the transmission output shaft and the transfer case input. Transfer case to transmission misalignment could cause the transfer case shift collar to slip out of enga
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 100000 POWER TRAIN
20190628
100000 POWER TRAIN
N192265570 - Service Update. Certain vehicles may have misalignment between the transmission output shaft and the transfer case input. Transfer case to transmission misalignment could cause the transfer case shift collar to slip out of enga
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190823
060000 ENGINE AND ENGINE COOLING
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY
20190401
111000 ELECTRICAL SYSTEM:BATTERY
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 010000 STEERING
20190805
010000 STEERING
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
20190826
063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20190815
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200228
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20200228
350000 EQUIPMENT
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 162000 STRUCTURE:BODY
20200228
162000 STRUCTURE:BODY
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20200121
350000 EQUIPMENT
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ret
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 100000 POWER TRAIN
20191010
100000 POWER TRAIN
This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20190918
350000 EQUIPMENT
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20191025
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information cent
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20191001
060000 ENGINE AND ENGINE COOLING
N192266750 - Service Update. On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster may incorrectly display the message ?DEF Low? when a diese
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20191008
060000 ENGINE AND ENGINE COOLING
N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 010000 STEERING
20200203
010000 STEERING
This Preliminary information communicates The vehicle may have a concern of not turning as sharp one way or the other and/or the turning radius is not the same in either direction. The steering will not go stop to stop due to the steering l
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20190930
080000 FUEL SYSTEM, DIESEL
This Informational Bulletin provides information on availability of Diesel Fuel additives.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20191010
353000 EQUIPMENT:ELECTRICAL
This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
20200214
280000 BACK OVER PREVENTION
Service Update - On vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel exhaust fluid (DE
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200214
110000 ELECTRICAL SYSTEM
Service Update - On vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel exhaust fluid (DE
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
20200214
080000 FUEL SYSTEM, DIESEL
Service Update - On vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel exhaust fluid (DE
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20200214
070000 FUEL SYSTEM, GASOLINE
Service Update - On vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel exhaust fluid (DE
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200214
110000 ELECTRICAL SYSTEM
Service Update - Certain vehicles may have an SES light, the fuel gauge unexpectedly reading empty, and/or the low fuel message falsely illuminate due to an error in the engine control module (ECM) calibration (DTC P0461). Dealers are to re
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200214
060000 ENGINE AND ENGINE COOLING
Service Update - Certain vehicles may have an SES light, the fuel gauge unexpectedly reading empty, and/or the low fuel message falsely illuminate due to an error in the engine control module (ECM) calibration (DTC P0461). Dealers are to re
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 353600 EQUIPMENT:AIR CONDITIONER
20191016
353600 EQUIPMENT:AIR CONDITIONER
This informational bulletin informs the technician of a possible low A/C charge in a low milage vehicle from the factory.
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
20191202
117000 DIGITAL INSTRUMENT PANEL
N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster ma
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20191202
060000 ENGINE AND ENGINE COOLING
N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster ma
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200228
060000 ENGINE (PWS)
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200228
356000 EQUIPMENT ADAPTIVE
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20200228
350000 EQUIPMENT
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20200214
350000 EQUIPMENT
This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 200000 WHEELS
20200214
200000 WHEELS
This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200226
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 190000 TIRES
20200226
190000 TIRES
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200214
356000 EQUIPMENT ADAPTIVE
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200214
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200227
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200117
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20191121
356000 EQUIPMENT ADAPTIVE
This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20191121
350000 EQUIPMENT
This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 120000 LIGHTING (PWS)
20191112
120000 LIGHTING (PWS)
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20191112
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20191112
350000 EQUIPMENT
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20191126
356000 EQUIPMENT ADAPTIVE
This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20191126
350000 EQUIPMENT
This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 010000 STEERING
20200131
010000 STEERING
This Preliminary information communicates The vehicle may have a concern of not turning as sharp one way or the other and/or the turning radius is not the same in either direction. The steering will not go stop to stop due to the steering l
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200414
356000 EQUIPMENT ADAPTIVE
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 162000 STRUCTURE:BODY
20200414
162000 STRUCTURE:BODY
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200417
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200427
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 281000 BACK OVER PREVENTION: BACK-UP ALARM
20200519
281000 BACK OVER PREVENTION: BACK-UP ALARM
Customer Service Program - Certain vehicles may not have the backup alarm which should have been included the dealer kit. Dealers are to provide the missing backup alarm to the customer.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200508
060000 ENGINE (PWS)
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200508
356000 EQUIPMENT ADAPTIVE
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
20200508
073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200428
356000 EQUIPMENT ADAPTIVE
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20200428
350000 EQUIPMENT
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
20200506
117000 DIGITAL INSTRUMENT PANEL
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20200506
350000 EQUIPMENT
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE (PWS)
20191101
060000 ENGINE (PWS)
N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20191101
350000 EQUIPMENT
N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
20191101
070000 FUEL SYSTEM, GASOLINE
N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20191101
118000 ELECTRICAL SYSTEM: SOFTWARE
N192279900 - Service Update. On certain vehicles equipped with an active hydraulic assist gear (RPO NV8), the driver may experience a steering wheel vibration while driving typically at speeds from 50 mph (80 km) to 80 mph (130 km). Deale
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 010000 STEERING
20191101
010000 STEERING
N192279900 - Service Update. On certain vehicles equipped with an active hydraulic assist gear (RPO NV8), the driver may experience a steering wheel vibration while driving typically at speeds from 50 mph (80 km) to 80 mph (130 km). Deale
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20191115
356000 EQUIPMENT ADAPTIVE
N102269370 - Customer Satisfaction Program. Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree View, is compromised when a front vie
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20191115
350000 EQUIPMENT
N102269370 - Customer Satisfaction Program. Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree View, is compromised when a front vie
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 161000 STRUCTURE:FRAME AND MEMBERS
20191115
161000 STRUCTURE:FRAME AND MEMBERS
N102269370 - Customer Satisfaction Program. Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree View, is compromised when a front vie
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20191115
356000 EQUIPMENT ADAPTIVE
N102269370 - Customer Satisfaction Program (Notice of Disclosure Message Only). Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree V
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20191115
350000 EQUIPMENT
N102269370 - Customer Satisfaction Program (Notice of Disclosure Message Only). Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree V
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 284000 BACK OVER PREVENTION: CAMERA SYSTEM
20200526
284000 BACK OVER PREVENTION: CAMERA SYSTEM
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integratio
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200529
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instructed to manually build the vehicle in GDS2 and perform the function until software update
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
20200527
117000 DIGITAL INSTRUMENT PANEL
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20200527
350000 EQUIPMENT
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT
20200507
350000 EQUIPMENT
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200513
110000 ELECTRICAL SYSTEM
This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. During inspection Technician may notice DTC P1682 (Ignition 1 Switch Circuit 2) active or stored in his
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200513
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instructed to manually buid the vehicle in GDS2 and perform the function until software update
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
20200407
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
Emission Recall - Exceeds NOx Standard In Emissions Testing - General Motors has decided to conduct a voluntary emissions recall involving certain 2019-2020 Chevrolet Silverado 4500HD/5500HD/6500HD vehicles equipped with a 6.6L diesel engin
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200504
110000 ELECTRICAL SYSTEM
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200504
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20200505
118000 ELECTRICAL SYSTEM: SOFTWARE
This informational bulletin provides information for dealers/technicians on Glow Plug Control Module Update.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
20200505
073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20200306
353000 EQUIPMENT:ELECTRICAL
This informational bulletin provides information for dealers/technicians on Silverado 4500HD/5500HD/6500HD RPO 5H1 - 2 Spare keys.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200320
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200318
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200407
060000 ENGINE (PWS)
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
20200407
110000 ELECTRICAL SYSTEM
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 190000 TIRES
20200304
190000 TIRES
This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
This 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD 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 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
20200331
353000 EQUIPMENT:ELECTRICAL
This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200317
060000 ENGINE AND ENGINE COOLING
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200303
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20200302
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
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