GMC Terrain Service Bulletins

1,082 manufacturer communications on file.

• November 20, 2025•Document ID: 11025755

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5214G

  Date Added:

  November 28, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.

  Associated Products (210)

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  Associated Documents

  • DownloadMC-11025755-0001.pdf↗
• November 19, 2025•Document ID: 11025909

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  654.10

  Date Added:

  December 2, 2025

  Manufacturer:

  BUICK

  Summary

  Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle.

  Associated Products (10)

  2025 Buick Enclave2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Equinox2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Terrain2024 Cadillac XT42024 Chevrolet Traverse2024 GMC Acadia
  Associated Documents

  • DownloadMC-11025909-0001.pdf↗
• November 14, 2025•Document ID: 11025920

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  652.30

  Date Added:

  December 2, 2025

  Manufacturer:

  CHEVROLET

  Summary

  Improvements to Apple CarPlay performance. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

  Associated Products (2)

  2025 Chevrolet Equinox2025 GMC Terrain
  Associated Documents

  • DownloadMC-11025920-0001.pdf↗
• November 13, 2025•Document ID: 11025574

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6629A

  Date Added:

  November 17, 2025

  Manufacturer:

  BUICK

  Summary

  This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

  Associated Products (76)

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  Associated Documents

  • DownloadMC-11025574-0001.pdf↗
• November 11, 2025•Document ID: 11025572

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6629

  Date Added:

  November 17, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

  Associated Products (77)

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  Associated Documents

  • DownloadMC-11025572-0001.pdf↗
• November 4, 2025•Document ID: 11025996

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-227

  Date Added:

  December 2, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of Vibration Rattle or Boom at 1800 to 2000 RPM.

  Associated Products (4)

  2026 Chevrolet Equinox2026 GMC Terrain2025 Chevrolet Equinox2025 GMC Terrain
  Associated Documents

  • DownloadMC-11025996-0001.pdf↗
• October 30, 2025•Document ID: 11024774

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6077B

  Date Added:

  November 3, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with no drive and or no reverse and a SES light on with code/s current/history P07E5 and or P073E and engineering is working on the issue.

  Associated Products (2)

  2025 Chevrolet Equinox2025 GMC Terrain
  Associated Documents

  • DownloadMC-11024774-0001.pdf↗
• October 28, 2025•Document ID: 11024759

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6036C

  Date Added:

  November 3, 2025

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates diagnostic aids for a surge or fishbite concern

  Associated Products (18)

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  Associated Documents

  • DownloadMC-11024759-0001.pdf↗
• October 28, 2025•Document ID: 11024644

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  653.20

  Date Added:

  October 31, 2025

  Manufacturer:

  CHEVROLET

  Summary

  Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle.

  Associated Products (2)

  2026 Chevrolet Equinox2026 GMC Terrain
  Associated Documents

  • DownloadMC-11024644-0001.pdf↗
• October 27, 2025•Document ID: 11024755

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5975B

  Date Added:

  November 3, 2025

  Manufacturer:

  BUICK

  Summary

  This PI advises to get a session log for transmissions with broken chains

  Associated Products (21)

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  Associated Documents

  • DownloadMC-11024755-0001.pdf↗
• October 23, 2025•Document ID: 11024704

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6393F

  Date Added:

  November 2, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.

  Associated Products (34)

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  Associated Documents

  • DownloadMC-11024704-0001.pdf↗
• October 20, 2025•Document ID: 11024698

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6071B

  Date Added:

  November 2, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communicates a intermittent misfire, surge, hesitation, chuggle with a potential MIL concerning a potential skewed position 1 oxygen sensor. 2026 model year being added with break point.

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  2026 Chevrolet Equinox2026 GMC Terrain2025 Chevrolet Equinox2025 GMC Terrain2024 Chevrolet Equinox2024 GMC Terrain2023 Chevrolet Equinox2023 GMC Terrain
  Associated Documents

  • DownloadMC-11024698-0001.pdf↗
• October 18, 2025•Document ID: 11024460

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6425B

  Date Added:

  October 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

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  Associated Documents

  • DownloadMC-11024460-0001.pdf↗
• October 17, 2025•Document ID: 11024455

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6425A

  Date Added:

  October 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

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  Associated Documents

  • DownloadMC-11024455-0001.pdf↗
• October 17, 2025•Document ID: 11024443

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6059B

  Date Added:

  October 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communicates a potential MIL / SES due to P04FB that Engineering is currently working on a design improvement.

  Associated Products (4)

  2026 Chevrolet Equinox2026 GMC Terrain2025 Chevrolet Equinox2025 GMC Terrain
  Associated Documents

  • DownloadMC-11024443-0001.pdf↗
• October 16, 2025•Document ID: 11024458

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6551A

  Date Added:

  October 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

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  Associated Documents

  • DownloadMC-11024458-0001.pdf↗
• October 9, 2025•Document ID: 11024191

  Emissions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  N252516900

  Date Added:

  October 9, 2025

  Manufacturer:

  CHEVROLET

  Summary

  Emission Recall. Population Expansion.

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  Associated Documents

  • DownloadMC-11024191-0001.pdf↗
• October 4, 2025•Document ID: 11024439

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6440

  Date Added:

  October 24, 2025

  Manufacturer:

  CADILLAC

  Summary

  The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.

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  Associated Documents

  • DownloadMC-11024439-0001.pdf↗
• October 4, 2025•Document ID: 11024438

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6393E

  Date Added:

  October 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.

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  Associated Documents

  • DownloadMC-11024438-0001.pdf↗
• October 3, 2025•Document ID: 11023730

  Emissions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  N252516900

  Date Added:

  October 3, 2025

  Manufacturer:

  CADILLAC

  Summary

  Emission Recall. Fuel Pump Power Control Module.

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  Associated Documents

  • DownloadMC-11023730-0001.pdf↗