GMC Sierra Service Bulletins

10,018 manufacturer communications on file.

• May 13, 2025•Document ID: 11018484

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6060

  Date Added:

  May 20, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to technicians diagnostics for 8 speed transmission shudders caused by a potential engine concern and/or a possible faulty HO2S sensor 1

  Associated Products (12)

  2025 Chevrolet Colorado2025 Chevrolet Silverado2025 GMC Canyon2025 GMC Sierra2024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2024 GMC Sierra2023 Chevrolet Colorado2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra
  Associated Documents

  • DownloadMC-11018484-0001.pdf↗
• May 13, 2025•Document ID: 11018481

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6356A

  Date Added:

  May 20, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.

  Associated Products (31)

  2026 Cadillac Vistiq2025 Buick Enclave2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Hummer EV Pickup2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade+ 11 more
  Associated Documents

  • DownloadMC-11018481-0001.pdf↗
• May 13, 2025•Document ID: 11018476

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6587B

  Date Added:

  May 20, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates That the active safety systems maybe inoperable and to perform a module reset to correct.

  Associated Products (22)

  2026 Cadillac Vistiq2025 Buick Enclave2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Chevrolet Silverado2024 Chevrolet Traverse+ 2 more
  Associated Documents

  • DownloadMC-11018476-0001.pdf↗
• May 13, 2025•Document ID: 11018475

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6362B

  Date Added:

  May 20, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.

  Associated Products (24)

  2025 Buick Enclave2025 Buick Envision2025 Cadillac CT52025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Canyon2025 GMC Sierra2024 Buick Envision2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Silverado+ 4 more
  Associated Documents

  • DownloadMC-11018475-0001.pdf↗
• May 12, 2025•Document ID: 11018467

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6192C

  Date Added:

  May 19, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.

  Associated Products (8)

  2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra
  Associated Documents

  • DownloadMC-11018467-0001.pdf↗
• May 12, 2025•Document ID: 11024499

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  25-NA-108

  Date Added:

  October 27, 2025

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides a procedure to inspect and verify the drive shafts are over extending past the 5mm tolerance, causing the customers concern of a fluid leak under the vehicle.

  Associated Products (8)

  2025 Cadillac Escalade IQ2025 Chevrolet BrightDrop2025 Chevrolet Silverado2025 GMC Sierra2024 BrightDrop Zevo2024 Chevrolet Silverado2024 GMC Sierra2023 BrightDrop Zevo
  Associated Documents

  • DownloadMC-11024499-0001.pdf↗
• May 10, 2025•Document ID: 11022874

  Service Bulletin/Repair Instructions
  STEERING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-NA-116

  Date Added:

  September 6, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information and the condition correction on the "Service Steering Column Lock" message and/or those who are unable to move the steering wheel after starting the vehicle.

  Associated Products (6)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Sierra
  Associated Documents

  • DownloadMC-11022874-0001.pdf↗
• May 10, 2025•Document ID: 11023057

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIE0824A

  Date Added:

  September 10, 2025

  Manufacturer:

  GMC

  Summary

  This engineering information (EI) closure ends the need for gathering further information from field in regard to fluid leaking at the output seal and/or leaking at the front slip yoke (welch plug leak).

  Associated Products (10)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Colorado2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Canyon2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL
  Associated Documents

  • DownloadMC-11023057-0001.pdf↗
• May 9, 2025•Document ID: 11024500

  Service Bulletin/Repair Instructions
  AIR BAGS; ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-NA-119

  Date Added:

  October 27, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.

  Associated Products (18)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Blazer2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Blazer2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL
  Associated Documents

  • DownloadMC-11024500-0001.pdf↗
• May 9, 2025•Document ID: 11023266

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  PIE0836

  Date Added:

  September 23, 2025

  Manufacturer:

  CADILLAC

  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 Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC) and/or a no-start condition following a recent vehicle update.

  Associated Products (20)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11023266-0001.pdf↗
• May 9, 2025•Document ID: 11018442

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5865D

  Date Added:

  May 19, 2025

  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 (26)

  2025 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 Sierra2022 Cadillac CT42022 Chevrolet Silverado2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Silverado+ 6 more
  Associated Documents

  • DownloadMC-11018442-0001.pdf↗
• May 8, 2025•Document ID: 11022868

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  25-NA-114

  Date Added:

  September 6, 2025

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on Anti-Chip Coating Appearance.

  Associated Products (16)

  2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra
  Associated Documents

  • DownloadMC-11022868-0001.pdf↗
• May 8, 2025•Document ID: 11020428

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  25-NA-014

  Date Added:

  July 8, 2025

  Manufacturer:

  GMC

  Summary

  This bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to correct the customers concern of No Reverse, No Shift Past Third Gear - DTC P2732 Set.

  Associated Products (4)

  2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11020428-0001.pdf↗
• May 8, 2025•Document ID: 11020262

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  24-NA-075

  Date Added:

  July 7, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides a procedure to add a shim to the rear axle to change the pitch of said axle to correct the angle of the axle to pinion variance.

  Associated Products (4)

  2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11020262-0001.pdf↗
• May 8, 2025•Document ID: 11020259

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-NA-238

  Date Added:

  July 7, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.

  Associated Products (12)

  2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-11020259-0001.pdf↗
• May 8, 2025•Document ID: 11023051

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

  Mfr Comm. #:

  25-NA-118

  Date Added:

  September 10, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.

  Associated Products (257)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Colorado+ 237 more
  Associated Documents

  • DownloadMC-11023051-0001.pdf↗
• May 8, 2025•Document ID: 11018438

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6101R

  Date Added:

  May 19, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates Engineering is investigating a no audio issue.

  Associated Products (18)

  2024 Buick Enclave2024 Chevrolet Blazer2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Buick Enclave2023 Chevrolet Blazer2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL
  Associated Documents

  • DownloadMC-11018438-0001.pdf↗
• May 8, 2025•Document ID: 11018437

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6367A

  Date Added:

  May 19, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.

  Associated Products (25)

  2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Silverado2022 Chevrolet Suburban+ 5 more
  Associated Documents

  • DownloadMC-11018437-0001.pdf↗
• May 8, 2025•Document ID: 11018434

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5946A

  Date Added:

  May 19, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication advises the technician on the steps to locate a possible poor terminal connection or backed out terminal at the transmission connector.

  Associated Products (6)

  2024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2024 GMC Sierra2023 Chevrolet Colorado2023 GMC Canyon
  Associated Documents

  • DownloadMC-11018434-0001.pdf↗
• May 7, 2025•Document ID: 11020268

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  24-NA-078

  Date Added:

  July 8, 2025

  Manufacturer:

  GMC

  Summary

  This bulletin advises the tech to replace the starter and not the trans if grinding or growling is heard from the transmission area.

  Associated Products (8)

  2024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2024 GMC Sierra2023 Chevrolet Colorado2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra
  Associated Documents

  • DownloadMC-11020268-0001.pdf↗