GMC Sierra Service Bulletins (2025)

768 manufacturer communications on file.

• February 12, 2026•Document ID: 11028857

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6120C

  Date Added:

  February 18, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates information to direct to GM Upfitter bulletin 193 or 205 depending on trim level for installation instructions for the 9L7 Upfitter Switches.

  Associated Products (8)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra
  Associated Documents

  • DownloadMC-11028857-0001.pdf↗
• February 12, 2026•Document ID: 11028859

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5865L

  Date Added:

  February 18, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.

  Associated Products (31)

  2026 Cadillac CT42026 Chevrolet Colorado2026 Chevrolet Silverado2026 GMC Canyon2026 GMC Sierra2025 Cadillac CT42025 Chevrolet Colorado2025 Chevrolet Silverado2025 GMC Canyon2025 GMC Sierra2024 Cadillac CT42024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2024 GMC Sierra2023 Cadillac CT42023 Chevrolet Colorado2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra+ 11 more
  Associated Documents

  • DownloadMC-11028859-0001.pdf↗
• February 10, 2026•Document ID: 11028672

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N252537030

  Date Added:

  February 10, 2026

  Manufacturer:

  GMC

  Summary

  Certain vehicles listed above, may have a condition where the trailer hitch label understates hitch capability. Dealers will remove the sticker on trailer hitch.

  Associated Products (6)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11028672-0001.pdf↗
• February 7, 2026•Document ID: 11028704

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6101

  Date Added:

  February 11, 2026

  Manufacturer:

  BUICK

  Summary

  The document makes technicians aware of a valvetrain tick noise that is created by one or more soft lifters. The soft lifter concern is due to manufacturing debris within the lifter when it was manufactured. The document instructs the technician to replace the soft lifter(s) and the rocker arm it operates.

  Associated Products (14)

  2026 Buick Enclave2026 Chevrolet Colorado2026 Chevrolet Silverado2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Canyon2026 GMC Sierra2025 Buick Enclave2025 Chevrolet Colorado2025 Chevrolet Silverado2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Canyon2025 GMC Sierra
  Associated Documents

  • DownloadMC-11028704-0001.pdf↗
• February 7, 2026•Document ID: 11028703

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6452C

  Date Added:

  February 11, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times

  Associated Products (16)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL
  Associated Documents

  • DownloadMC-11028703-0001.pdf↗
• February 7, 2026•Document ID: 11028701

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602R

  Date Added:

  February 11, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

  Associated Products (31)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 BrightDrop Zevo2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 11 more
  Associated Documents

  • DownloadMC-11028701-0001.pdf↗
• February 3, 2026•Document ID: 11028697

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6456C

  Date Added:

  February 10, 2026

  Manufacturer:

  GMC

  Summary

  This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.

  Associated Products (55)

  2026 Buick Enclave2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Terrain2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave2025 Cadillac Escalade2025 Cadillac Escalade ESV+ 35 more
  Associated Documents

  • DownloadMC-11028697-0001.pdf↗
• February 2, 2026•Document ID: 11028660

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6467A

  Date Added:

  February 9, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that this concern is being root caused and no repairs should be attempted at this time

  Associated Products (4)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Silverado2025 GMC Sierra
  Associated Documents

  • DownloadMC-11028660-0001.pdf↗
• January 29, 2026•Document ID: 11027937

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6591D

  Date Added:

  February 1, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealer to contact TAC for a specific display issue.

  Associated Products (6)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11027937-0001.pdf↗
• January 29, 2026•Document ID: 11027944

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6638A

  Date Added:

  February 1, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician the repair direction needed to address an inaccurate speed limit sign displayed on instrument cluster.

  Associated Products (31)

  2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2026 GMC Yukon2025 Cadillac Celestiq2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Optiq2025 Chevrolet Equinox+ 11 more
  Associated Documents

  • DownloadMC-11027944-0001.pdf↗
• January 29, 2026•Document ID: 11027942

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5865K

  Date Added:

  February 1, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.

  Associated Products (31)

  2026 Cadillac CT42026 Chevrolet Colorado2026 Chevrolet Silverado2026 GMC Canyon2026 GMC Sierra2025 Cadillac CT42025 Chevrolet Colorado2025 Chevrolet Silverado2025 GMC Canyon2025 GMC Sierra2024 Cadillac CT42024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2024 GMC Sierra2023 Cadillac CT42023 Chevrolet Colorado2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra+ 11 more
  Associated Documents

  • DownloadMC-11027942-0001.pdf↗
• January 29, 2026•Document ID: 11027925

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6456B

  Date Added:

  February 1, 2026

  Manufacturer:

  CADILLAC

  Summary

  This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.

  Associated Products (53)

  2026 Buick Enclave2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq+ 33 more
  Associated Documents

  • DownloadMC-11027925-0001.pdf↗
• January 28, 2026•Document ID: 11027934

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6443A

  Date Added:

  February 1, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealers that these programing concerns are being looked into.

  Associated Products (1)

  2025 GMC Sierra
  Associated Documents

  • DownloadMC-11027934-0001.pdf↗
• January 27, 2026•Document ID: 11027932

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5985K

  Date Added:

  February 1, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, failure over the air update, etc.

  Associated Products (113)

  2026 Buick Enclave2026 Buick Envision2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet BrightDrop2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Canyon2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV+ 93 more
  Associated Documents

  • DownloadMC-11027932-0001.pdf↗
• January 26, 2026•Document ID: 11027930

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6476

  Date Added:

  February 1, 2026

  Manufacturer:

  GMC

  Summary

  This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery connections and for any aftermarket devices.

  Associated Products (30)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Silverado2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV+ 10 more
  Associated Documents

  • DownloadMC-11027930-0001.pdf↗
• January 23, 2026•Document ID: 11027883

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6475

  Date Added:

  January 30, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the field about The NFC key card not being available on the listed models listed in the PI

  Associated Products (4)

  2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11027883-0001.pdf↗
• January 23, 2026•Document ID: 11027882

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5907E

  Date Added:

  January 30, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint. A software update will be available to repair these flase DTC's

  Associated Products (40)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 Chevrolet Suburban+ 20 more
  Associated Documents

  • DownloadMC-11027882-0001.pdf↗
• January 21, 2026•Document ID: 11027878

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6406E

  Date Added:

  January 30, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD

  Associated Products (25)

  2026 Chevrolet Corvette2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Silverado+ 5 more
  Associated Documents

  • DownloadMC-11027878-0001.pdf↗
• January 20, 2026•Document ID: 11027877

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6456A

  Date Added:

  January 30, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.

  Associated Products (50)

  2026 Buick Enclave2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq2025 Cadillac Optiq+ 30 more
  Associated Documents

  • DownloadMC-11027877-0001.pdf↗
• January 16, 2026•Document ID: 11027698

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6400A

  Date Added:

  January 19, 2026

  Manufacturer:

  CADILLAC

  Summary

  This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.

  Associated Products (148)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Express2026 Chevrolet Silverado2026 Chevrolet Suburban2026 GMC Savana2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Express2025 Chevrolet Silverado2025 Chevrolet Suburban2025 GMC Savana2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV+ 128 more
  Associated Documents

  • DownloadMC-11027698-0001.pdf↗