GMC Sierra Service Bulletins (2020)

1,991 manufacturer communications on file.

• February 14, 2022•Document ID: 10208985

  Service Bulletin/Repair Instructions
  AIR BAGS; TRAILER HITCHES

  Mfr Comm. #:

  PIT5747B

  Date Added:

  March 14, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues.

  Associated Products (8)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10208985-0001.pdf↗
• February 14, 2022•Document ID: 10208983

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5745C

  Date Added:

  March 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

  Associated Products (101)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Equinox2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Traverse2022 Chevrolet Trax2022 GMC Acadia2022 GMC Sierra2022 GMC Terrain2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Cadillac XT4+ 81 more
  Associated Documents

  • DownloadMC-10208983-0001.pdf↗
• February 9, 2022•Document ID: 10208981

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  PIT5732B

  Date Added:

  March 14, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information provides information to the technician on relocating the DEF tank to install a service body. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 156. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

  Associated Products (6)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10208981-0001.pdf↗
• February 9, 2022•Document ID: 10208978

  Service Bulletin/Repair Instructions
  POWER TRAIN:AXLE ASSEMBLY

  Mfr Comm. #:

  PIP5653M

  Date Added:

  March 14, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly.

  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-10208978-0001.pdf↗
• February 8, 2022•Document ID: 10208976

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  PIP5834

  Date Added:

  March 14, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that the service 4wd message related to C119E is under investigation for a repair.

  Associated Products (6)

  2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado
  Associated Documents

  • DownloadMC-10208976-0001.pdf↗
• February 8, 2022•Document ID: 10208973

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  PIT5733B

  Date Added:

  March 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

  Associated Products (8)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10208973-0001.pdf↗
• February 7, 2022•Document ID: 10208972

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR:CONTROLLER:SOFTWARE; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5833C

  Date Added:

  March 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to technicians to update the program in the reductant controller

  Associated Products (6)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10208972-0001.pdf↗
• February 4, 2022•Document ID: 10214233

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:ONBOARD (OBCM)

  Mfr Comm. #:

  21NA228

  Date Added:

  June 21, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.

  Associated Products (8)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10214233-0001.pdf↗
• February 4, 2022•Document ID: 10207646

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  N212342980-01

  Date Added:

  February 4, 2022

  Manufacturer:

  GMC

  Summary

  Service Update. On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Dealers are to reprogram the reductant control module.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10207646-0001.pdf↗
• February 4, 2022•Document ID: 10214223

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  21NA135

  Date Added:

  June 21, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

  Associated Products (143)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu+ 123 more
  Associated Documents

  • DownloadMC-10214223-0001.pdf↗
• February 3, 2022•Document ID: 10208971

  Service Bulletin/Repair Instructions
  TIRES; WHEELS

  Mfr Comm. #:

  PIT3271L

  Date Added:

  March 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.

  Associated Products (734)

  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+ 714 more
  Associated Documents

  • DownloadMC-10208971-0001.pdf↗
• February 2, 2022•Document ID: 10214243

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

  Mfr Comm. #:

  22NA027

  Date Added:

  June 21, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin advises to replace the camshaft cover if found with in the Julian date and the cause of the customers concern.

  Associated Products (6)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10214243-0001.pdf↗
• February 2, 2022•Document ID: 10214241

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

  Mfr Comm. #:

  22NA025

  Date Added:

  June 21, 2022

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to check and repair the balancer if found contacting the front cover.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10214241-0001.pdf↗
• February 2, 2022•Document ID: 10208969

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

  Mfr Comm. #:

  PIP5742A

  Date Added:

  March 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring moving backward on the pulley and contacting the front cover.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10208969-0001.pdf↗
• February 2, 2022•Document ID: 10214232

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21NA219

  Date Added:

  June 21, 2022

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information for dealers/technicians on an elevated idle feature.

  Associated Products (12)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10214232-0001.pdf↗
• February 1, 2022•Document ID: 10215770

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  090604026V

  Date Added:

  July 18, 2022

  Manufacturer:

  GMC

  Summary

  Information.

  Associated Products (117)

  2022 GMC Acadia2022 GMC Canyon2022 GMC Hummer EV Pickup2022 GMC Savana2022 GMC Sierra2022 GMC Terrain2022 GMC Yukon2022 GMC Yukon XL2021 GMC Acadia2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2021 GMC Yukon XL2020 GMC Acadia2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2020 GMC Terrain+ 97 more
  Associated Documents

  • DownloadMC-10215770-0001.pdf↗
• February 1, 2022•Document ID: 10214239

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:SEALS/GASKETS

  Mfr Comm. #:

  22NA022

  Date Added:

  June 21, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not.

  Associated Products (24)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Silverado2020 Chevrolet Suburban+ 4 more
  Associated Documents

  • DownloadMC-10214239-0001.pdf↗
• February 1, 2022•Document ID: 10214225

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  21NA149

  Date Added:

  June 21, 2022

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.

  Associated Products (20)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 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-10214225-0001.pdf↗
• February 1, 2022•Document ID: 10208964

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  PIP5795

  Date Added:

  March 14, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to technicians to replace the rear cover with seal in the event of a rear oil seal leak.

  Associated Products (8)

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

  • DownloadMC-10208964-0001.pdf↗
• January 31, 2022•Document ID: 10213773

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION; AIR BAGS

  Mfr Comm. #:

  PIE0664A

  Date Added:

  June 13, 2022

  Manufacturer:

  GMC

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Blocked Park Assist Sensor message illuminated on the driver information center (DIC).

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10213773-0001.pdf↗