GMC Sierra Service Bulletins (2021)

1,650 manufacturer communications on file.

• November 20, 2020•Document ID: 10184135

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  PIP5752G

  Date Added:

  December 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

  Associated Products (11)

  2021 Cadillac Escalade2021 Chevrolet Camaro2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Chevrolet Camaro2020 Chevrolet Corvette2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10184135-0001.pdf↗
• November 19, 2020•Document ID: 10184501

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE

  Mfr Comm. #:

  060089031F

  Date Added:

  December 21, 2020

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.

  Associated Products (464)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban+ 444 more
  Associated Documents

  • DownloadMC-10184501-0001.pdf↗
• November 18, 2020•Document ID: 10184508

  Service Bulletin/Repair Instructions
  VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; EQUIPMENT

  Mfr Comm. #:

  PIE0580A

  Date Added:

  December 21, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10184508-0001.pdf↗
• November 17, 2020•Document ID: 10184485

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

  Mfr Comm. #:

  20NA090

  Date Added:

  December 21, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides a way for the technician to identify if the ECM has been modified.

  Associated Products (6)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10184485-0001.pdf↗
• November 17, 2020•Document ID: 10184517

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  PIE0599

  Date Added:

  December 21, 2020

  Manufacturer:

  CHEVROLET

  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 airbag lamp illuminated on the driver?s information center (DIC).

  Associated Products (7)

  2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10184517-0001.pdf↗
• November 17, 2020•Document ID: 10184120

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5733F

  Date Added:

  December 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation

  Associated Products (17)

  2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 GMC Sierra2021 GMC Terrain2020 Cadillac Escalade2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10184120-0001.pdf↗
• November 16, 2020•Document ID: 10184492

  Service Bulletin/Repair Instructions
  EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

  Mfr Comm. #:

  20NA197

  Date Added:

  December 21, 2020

  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 (10)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10184492-0001.pdf↗
• November 16, 2020•Document ID: 10184500

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

  Mfr Comm. #:

  030604017O

  Date Added:

  December 21, 2020

  Manufacturer:

  GMC

  Summary

  This Informational Bulletin provides information on availability of Diesel Fuel additives.

  Associated Products (115)

  2021 Cadillac Escalade2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra+ 95 more
  Associated Documents

  • DownloadMC-10184500-0001.pdf↗
• November 12, 2020•Document ID: 10184499

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; WHEELS

  Mfr Comm. #:

  000310002L

  Date Added:

  December 21, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.

  Associated Products (384)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban+ 364 more
  Associated Documents

  • DownloadMC-10184499-0001.pdf↗
• November 11, 2020•Document ID: 10184105

  Service Bulletin/Repair Instructions
  TIRES; WHEELS

  Mfr Comm. #:

  PIT3271K

  Date Added:

  December 14, 2020

  Manufacturer:

  CADILLAC

  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 (918)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 4500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu+ 898 more
  Associated Documents

  • DownloadMC-10184105-0001.pdf↗
• November 9, 2020•Document ID: 10184102

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  PIT5793

  Date Added:

  December 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that engineering is Work on a Software fix for some radio apps not Opening, Connected Navigation (live traffic, etc.) is not functioning (base navigation functions correctly)

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10184102-0001.pdf↗
• November 6, 2020•Document ID: 10184479

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; EQUIPMENT

  Mfr Comm. #:

  18NA098

  Date Added:

  December 21, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.

  Associated Products (10)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10184479-0001.pdf↗
• November 6, 2020•Document ID: 10184504

  Service Bulletin/Repair Instructions
  VISIBILITY:GLASS, SIDE/REAR; VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS

  Mfr Comm. #:

  PI0754D

  Date Added:

  December 21, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

  Associated Products (467)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban+ 447 more
  Associated Documents

  • DownloadMC-10184504-0001.pdf↗
• November 6, 2020•Document ID: 10184503

  Service Bulletin/Repair Instructions
  STRUCTURE; EQUIPMENT

  Mfr Comm. #:

  990851001E

  Date Added:

  December 21, 2020

  Manufacturer:

  CADILLAC

  Summary

  Thins informational bulletin provides information on Paint-less Dent Repair Process.

  Associated Products (455)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban+ 435 more
  Associated Documents

  • DownloadMC-10184503-0001.pdf↗
• November 5, 2020•Document ID: 10184098

  Service Bulletin/Repair Instructions
  EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  PIT5791

  Date Added:

  December 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". This bulletin advises that Engineering is working on a software solution that will prevent the message from displaying when listening to non-SXM sources, but still allow the message to display when a loss of connectivity exists and the user is attempting to play Sirius XM.

  Associated Products (22)

  2021 Buick Enclave2021 Buick Encore2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Traverse2021 GMC Acadia2021 GMC Sierra+ 2 more
  Associated Documents

  • DownloadMC-10184098-0001.pdf↗
• November 5, 2020•Document ID: 10184095

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5759A

  Date Added:

  December 14, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates 6.2L engine restriction, Contact TAC

  Associated Products (11)

  2021 Cadillac Escalade2021 Chevrolet Camaro2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Chevrolet Camaro2020 Chevrolet Corvette2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10184095-0001.pdf↗
• November 4, 2020•Document ID: 10184514

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:STARTER ASSEMBLY

  Mfr Comm. #:

  PIE0594A

  Date Added:

  December 21, 2020

  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 an intermittent no start.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10184514-0001.pdf↗
• November 2, 2020•Document ID: 10184502

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

  Mfr Comm. #:

  100605002I

  Date Added:

  December 21, 2020

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (81)

  2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2019 Chevrolet Colorado2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Express2019 Chevrolet Silverado2019 GMC Canyon2019 GMC Savana2019 GMC Sierra+ 61 more
  Associated Documents

  • DownloadMC-10184502-0001.pdf↗
• October 30, 2020•Document ID: 10183801

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  PIE0596

  Date Added:

  December 7, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the ABS or the traction control message illuminated in the Drivers Information Center (DIC).

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10183801-0001.pdf↗
• October 30, 2020•Document ID: 10182584

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5711A

  Date Added:

  November 16, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10182584-0001.pdf↗