GMC Sierra Service Bulletins

10,018 manufacturer communications on file.

• December 22, 2021•Document ID: 10206743

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:120/240 VAC ELECTRICAL SYSTEM:WIRING

  Mfr Comm. #:

  PIT5648C

  Date Added:

  January 24, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with a "Trailer Disconnected Check Connection" message being displayed on the DIC without a trailer ever being connected.  Engineering has released updated software calibrations for the Trailer Lighting Control Module.

  Associated Products (2)

  2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10206743-0001.pdf↗
• December 21, 2021•Document ID: 10212552

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:IGNITION

  Mfr Comm. #:

  18NA259

  Date Added:

  May 31, 2022

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of passive entry and passive starting functions are always inoperative on one, or both, of the RKE Fobs, possible various DIC messages.

  Associated Products (45)

  2019 Buick Enclave2019 Buick Encore2019 Buick LaCrosse2019 Buick Regal2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Cadillac XT42019 Cadillac XT52019 Cadillac XTS2019 Chevrolet Bolt EV2019 Chevrolet Camaro2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Malibu2019 Chevrolet Silverado2019 Chevrolet Sonic2019 Chevrolet Tahoe+ 25 more
  Associated Documents

  • DownloadMC-10212552-0001.pdf↗
• December 17, 2021•Document ID: 10214721

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  N212346580

  Date Added:

  June 27, 2022

  Manufacturer:

  GMC

  Summary

  Block Heater Restore

  Associated Products (5)

  2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10214721-0001.pdf↗
• December 17, 2021•Document ID: 10212558

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  19NA218

  Date Added:

  May 31, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.

  Associated Products (41)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Camaro2022 Chevrolet Corvette2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL+ 21 more
  Associated Documents

  • DownloadMC-10212558-0001.pdf↗
• December 16, 2021•Document ID: 10212564

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  21NA005

  Date Added:

  May 31, 2022

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.

  Associated Products (25)

  2022 Chevrolet Blazer2022 GMC Acadia2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet 35002021 Chevrolet Blazer2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Acadia2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet 35002020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Silverado2020 Chevrolet Suburban+ 5 more
  Associated Documents

  • DownloadMC-10212564-0001.pdf↗
• December 16, 2021•Document ID: 10207914

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM

  Mfr Comm. #:

  21NA237

  Date Added:

  February 14, 2022

  Manufacturer:

  GMC

  Summary

  THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.

  Associated Products (12)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10207914-0001.pdf↗
• December 16, 2021•Document ID: 10206734

  Service Bulletin/Repair Instructions
  LANE DEPARTURE: SENSING SYSTEM: OTHER; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL:SOFTWARE

  Mfr Comm. #:

  PIT5865A

  Date Added:

  January 24, 2022

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera.  Dealers are to replace the camera.

  Associated Products (13)

  2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10206734-0001.pdf↗
• December 16, 2021•Document ID: 10206733

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5832

  Date Added:

  January 24, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.

  Associated Products (16)

  2022 Cadillac Escalade2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10206733-0001.pdf↗
• December 15, 2021•Document ID: 10206727

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; POWER TRAIN

  Mfr Comm. #:

  PIP5811

  Date Added:

  January 24, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers an issue on remanufactured engines with part numbers 19368174  and 19368176 where the incorrect crankshaft timing gear was installed. Provides dealer with information to correct this condition.

  Associated Products (36)

  2020 Cadillac Escalade2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Yukon2019 Cadillac Escalade2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2018 Cadillac Escalade2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2017 Cadillac Escalade2017 Chevrolet Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe+ 16 more
  Associated Documents

  • DownloadMC-10206727-0001.pdf↗
• December 14, 2021•Document ID: 10207917

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

  Mfr Comm. #:

  21NA257

  Date Added:

  February 14, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set.

  Associated Products (39)

  2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Trailblazer2022 GMC Acadia2022 GMC Sierra2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Malibu2021 Chevrolet Silverado+ 19 more
  Associated Documents

  • DownloadMC-10207917-0001.pdf↗
• December 14, 2021•Document ID: 10206726

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5628E

  Date Added:

  January 24, 2022

  Manufacturer:

  CADILLAC

  Summary

  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

  Associated Products (838)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer+ 818 more
  Associated Documents

  • DownloadMC-10206726-0001.pdf↗
• December 13, 2021•Document ID: 10207916

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  21NA256

  Date Added:

  February 14, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set.

  Associated Products (37)

  2022 Buick Encore2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Chevrolet Blazer2022 Chevrolet Silverado2022 GMC Acadia2022 GMC Sierra2021 Buick Encore2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Chevrolet Blazer2021 Chevrolet Silverado2021 GMC Acadia2021 GMC Sierra+ 17 more
  Associated Documents

  • DownloadMC-10207916-0001.pdf↗
• December 10, 2021•Document ID: 10207911

  Service Bulletin/Repair Instructions
  POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY

  Mfr Comm. #:

  21NA199

  Date Added:

  February 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv.

  Associated Products (42)

  2021 Chevrolet Express2021 Chevrolet Silverado2021 GMC Savana2021 GMC Sierra2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Yukon2020 GMC Yukon XL2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Cadillac Escalade2018 Cadillac Escalade ESV+ 22 more
  Associated Documents

  • DownloadMC-10207911-0001.pdf↗
• December 9, 2021•Document ID: 10212560

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

  Mfr Comm. #:

  20NA166

  Date Added:

  May 31, 2022

  Manufacturer:

  GMC

  Summary

  This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.

  Associated Products (81)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Camaro2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Cadillac Escalade ESV+ 61 more
  Associated Documents

  • DownloadMC-10212560-0001.pdf↗
• December 6, 2021•Document ID: 10206717

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

  Mfr Comm. #:

  PIP5735A

  Date Added:

  January 24, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealer technicians normal operating characteristics of the turbocharger exhaust brake.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10206717-0001.pdf↗
• December 6, 2021•Document ID: 10212562

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

  Mfr Comm. #:

  20NA197

  Date Added:

  May 31, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

  Associated Products (22)

  2021 Chevrolet 35002021 Chevrolet 5500HD2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Sierra2020 Chevrolet 35002020 Chevrolet 5500HD2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra2019 Chevrolet 35002019 Chevrolet 5500HD2019 Chevrolet Silverado2019 GMC Canyon2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Canyon2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Canyon+ 2 more
  Associated Documents

  • DownloadMC-10212562-0001.pdf↗
• December 6, 2021•Document ID: 10206716

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

  Mfr Comm. #:

  PIT5828A

  Date Added:

  January 24, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.

  Associated Products (16)

  2022 Cadillac Escalade2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10206716-0001.pdf↗
• November 30, 2021•Document ID: 10204466

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  PIT5871

  Date Added:

  December 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with the IPC incorrectly listing Sport mode as a selection and engineering is working on a fix to remove it.

  Associated Products (2)

  2022 Chevrolet Silverado2022 GMC Sierra
  Associated Documents

  • DownloadMC-10204466-0001.pdf↗
• November 30, 2021•Document ID: 10204464

  Service Bulletin/Repair Instructions
  PARKING BRAKE:INDICATOR LIGHT; EXTERIOR LIGHTING:TAIL LIGHTS; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5849D

  Date Added:

  December 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with the rear tail / parking lights staying on and do not time out after exiting the vehicle and passive locking the vehicle.  This condition can lead to a dead battery.  GM Engineering has released a fix and dealers are to reprogram the BCM per Customer Satisfaction Program N212344990.

  Associated Products (2)

  2022 Chevrolet Silverado2022 GMC Sierra
  Associated Documents

  • DownloadMC-10204464-0001.pdf↗
• November 30, 2021•Document ID: 10204465

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; EQUIPMENT; STRUCTURE:BODY

  Mfr Comm. #:

  PIT5039E

  Date Added:

  December 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube box/hitch, etc. to the rear of the truck, which affects the rear park assist operation. Technician can disable the rear park assist for this concern.

  Associated Products (37)

  2022 Chevrolet Equinox2022 Chevrolet Express2022 GMC Savana2021 Chevrolet Express2021 GMC Savana2020 Chevrolet Express2020 GMC Savana2019 Chevrolet Express2019 GMC Savana2018 Chevrolet Express2018 GMC Savana2017 Chevrolet Express2017 GMC Savana2016 Chevrolet Express2016 GMC Savana2015 Chevrolet Express2015 GMC Savana2014 Chevrolet Express2014 Chevrolet Silverado2014 GMC Savana+ 17 more
  Associated Documents

  • DownloadMC-10204465-0001.pdf↗