GMC Sierra Service Bulletins (2021)

1,650 manufacturer communications on file.

• August 12, 2020•Document ID: 10180315

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA157

  Date Added:

  September 28, 2020

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.

  Associated Products (158)

  2021 Buick Encore2021 Buick Encore GX2021 Cadillac XT42021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2021 GMC Yukon XL2020 Buick Encore2020 Buick Encore GX2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT5+ 138 more
  Associated Documents

  • DownloadMC-10180315-0001.pdf↗
• August 10, 2020•Document ID: 10180705

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

  Mfr Comm. #:

  PIE0580

  Date Added:

  October 5, 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 to a noise coming from the window regulator area.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10180705-0001.pdf↗
• August 10, 2020•Document ID: 10180293

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  16NA361

  Date Added:

  September 28, 2020

  Manufacturer:

  CADILLAC

  Summary

  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.

  Associated Products (93)

  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 Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe+ 73 more
  Associated Documents

  • DownloadMC-10180293-0001.pdf↗
• August 6, 2020•Document ID: 10179625

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT

  Mfr Comm. #:

  PIP5733B

  Date Added:

  September 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 (22)

  2021 Cadillac Escalade2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2020 Cadillac CT52020 Cadillac Escalade2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon+ 2 more
  Associated Documents

  • DownloadMC-10179625-0001.pdf↗
• July 29, 2020•Document ID: 10178395

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5745

  Date Added:

  August 10, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to technicians a possible cause and correction for a P026A

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10178395-0001.pdf↗
• July 29, 2020•Document ID: 10178394

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5733A

  Date Added:

  August 10, 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 (20)

  2021 Cadillac Escalade2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10178394-0001.pdf↗
• July 13, 2020•Document ID: 10179536

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; ENGINE

  Mfr Comm. #:

  PIE0574

  Date Added:

  September 8, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10179536-0001.pdf↗
• July 13, 2020•Document ID: 10178370

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

  Mfr Comm. #:

  PIP5684B

  Date Added:

  August 10, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.

  Associated Products (361)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Buick Cascada2018 Buick Enclave2018 Buick Encore2018 Buick Envision2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Cadillac XT52018 Cadillac XTS2018 Chevrolet 4500HD+ 341 more
  Associated Documents

  • DownloadMC-10178370-0001.pdf↗
• April 30, 2020•Document ID: 10175854

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  090089002R

  Date Added:

  June 1, 2020

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (81)

  2021 Cadillac Escalade2021 Cadillac XT42021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Sierra2021 GMC Yukon2020 GMC Acadia2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2020 GMC Yukon XL2019 GMC Acadia2019 GMC Canyon2019 GMC Savana2019 GMC Sierra+ 61 more
  Associated Documents

  • DownloadMC-10175854-0001.pdf↗
• April 7, 2020•Document ID: 10175762

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA083

  Date Added:

  May 26, 2020

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order.

  Associated Products (10)

  2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10175762-0001.pdf↗