Chevrolet Corvette Service Bulletins

4,221 manufacturer communications on file.

• September 26, 2026•Document ID: 11037557

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6664

  Date Added:

  September 30, 2026

  Manufacturer:

  CHEVROLET

  Summary

  The purpose of this Preliminary Information is to inform dealership technicians how to diagnose a "Service Power Steering - No Assist Soon" message.

  Associated Products (1)

  2027 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11037557-0001.pdf↗
• September 26, 2026•Document ID: 11037555

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5698F

  Date Added:

  September 30, 2026

  Manufacturer:

  CADILLAC

  Summary

  This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.

  Associated Products (619)

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  Associated Documents

  • DownloadMC-11037555-0001.pdf↗
• September 24, 2026•Document ID: 11037758

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  663.10

  Date Added:

  October 2, 2026

  Manufacturer:

  CHEVROLET

  Summary

  • More accurate detection of rear turn signal outages

  Associated Products (1)

  2023 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11037758-0001.pdf↗
• September 21, 2026•Document ID: 11037550

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5700H

  Date Added:

  September 29, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering

  Associated Products (75)

  2023 Cadillac CT42023 Chevrolet Camaro2023 Chevrolet Express2023 Chevrolet Silverado2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Silverado2022 GMC Canyon2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Sierra2020 Cadillac CT42020 Chevrolet Camaro+ 55 more
  Associated Documents

  • DownloadMC-11037550-0001.pdf↗
• September 18, 2026•Document ID: 11037458

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6132

  Date Added:

  September 23, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information advises dealers of a potential engine oil cooler seal leak and provides a repair solution of seal replacement.

  Associated Products (1)

  2027 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11037458-0001.pdf↗
• September 15, 2026•Document ID: 11037445

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6545A

  Date Added:

  September 22, 2026

  Manufacturer:

  GMC

  Summary

  This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly.

  Associated Products (28)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 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 Yukon+ 8 more
  Associated Documents

  • DownloadMC-11037445-0001.pdf↗
• September 10, 2026•Document ID: 11037320

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6629F

  Date Added:

  September 16, 2026

  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 (95)

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  Associated Documents

  • DownloadMC-11037320-0001.pdf↗
• September 4, 2026•Document ID: 11037253

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902W

  Date Added:

  September 10, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

  Associated Products (751)

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  Associated Documents

  • DownloadMC-11037253-0001.pdf↗
• September 3, 2026•Document ID: 11037258

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6545

  Date Added:

  September 10, 2026

  Manufacturer:

  GMC

  Summary

  This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly. Do not replace parts. Engineering is investigating the root cause; customers may continue to drive the vehicle. This PI will be updated or replaced by a TSB once a resolution is determined.

  Associated Products (30)

  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 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup+ 10 more
  Associated Documents

  • DownloadMC-11037258-0001.pdf↗
• September 3, 2026•Document ID: 11037250

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6605C

  Date Added:

  September 10, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communicates the fact that the rear carbon fiber spoiler for this vehicle is on a part restriction. Dealers are directed to check EPC for restriction notes and to contact TAC if the restricted part is required.

  Associated Products (3)

  2027 Chevrolet Corvette2026 Chevrolet Corvette2025 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11037250-0001.pdf↗
• September 2, 2026•Document ID: 11037256

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6544

  Date Added:

  September 10, 2026

  Manufacturer:

  CADILLAC

  Summary

  This preliminary information is to inform technicians and customers that GM is aware of the issue and the vehicle can still be driven. When a repair is available, this PI will be updated.

  Associated Products (57)

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  Associated Documents

  • DownloadMC-11037256-0001.pdf↗
• September 1, 2026•Document ID: 11036538

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N252541251-02

  Date Added:

  September 1, 2026

  Manufacturer:

  CHEVROLET

  Summary

  Certain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure. GM will update software calibrations in the vehicle’s exterior lighting control module. For vehicles that are capable of receiving software changes using wireless over-the-air (OTA) technology, owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes via OTA without having to bring their vehicle to a dealership. Alternatively, all owners may have the updates performed at a GM dealer.

  Associated Products (5)

  2024 Chevrolet Corvette2023 Chevrolet Corvette2022 Chevrolet Corvette2021 Chevrolet Corvette2020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11036538-0001.pdf↗
• August 27, 2026•Document ID: 11036709

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6503E

  Date Added:

  September 2, 2026

  Manufacturer:

  GMC

  Summary

  This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.

  Associated Products (42)

  2026 Buick Enclave2026 Buick Envision2026 Cadillac CT52026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 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 Buick Envision2025 Cadillac CT52025 Cadillac Lyriq+ 22 more
  Associated Documents

  • DownloadMC-11036709-0001.pdf↗
• August 27, 2026•Document ID: 11036690

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6541

  Date Added:

  September 2, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication

  Associated Products (130)

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  Associated Documents

  • DownloadMC-11036690-0001.pdf↗
• August 24, 2026•Document ID: 11036719

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6517E

  Date Added:

  September 2, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.

  Associated Products (8)

  2026 Chevrolet Colorado2026 GMC Canyon2025 Chevrolet Colorado2025 Chevrolet Corvette2025 GMC Canyon2024 Chevrolet Colorado2024 Chevrolet Corvette2024 GMC Canyon
  Associated Documents

  • DownloadMC-11036719-0001.pdf↗
• August 21, 2026•Document ID: 11036400

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6503D

  Date Added:

  August 27, 2026

  Manufacturer:

  CADILLAC

  Summary

  This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.

  Associated Products (42)

  2026 Buick Enclave2026 Buick Envision2026 Cadillac CT52026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 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 Buick Envision2025 Cadillac CT52025 Cadillac Lyriq+ 22 more
  Associated Documents

  • DownloadMC-11036400-0001.pdf↗
• August 20, 2026•Document ID: 11036392

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6551C

  Date Added:

  August 27, 2026

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (233)

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  Associated Documents

  • DownloadMC-11036392-0001.pdf↗
• August 19, 2026•Document ID: 11036398

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6662

  Date Added:

  August 27, 2026

  Manufacturer:

  CHEVROLET

  Summary

  The purpose of this preliminary information is to provide dealership technicians tips to diagnose a no start concern with a P06E9 DTC set.

  Associated Products (5)

  2027 Chevrolet Corvette2026 Chevrolet Corvette2025 Chevrolet Corvette2024 Chevrolet Corvette2023 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11036398-0001.pdf↗
• August 18, 2026•Document ID: 11036396

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6654A

  Date Added:

  August 27, 2026

  Manufacturer:

  CHEVROLET

  Summary

  The purpose of this PIC is to assist dealership technicians in diagnosing a HUD image that may not be viewable on vehicle startup.

  Associated Products (1)

  2027 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11036396-0001.pdf↗
• August 18, 2026•Document ID: 11036395

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6534

  Date Added:

  August 27, 2026

  Manufacturer:

  CADILLAC

  Summary

  Onstar connectivity features may be inoperative. Dealer is instructed how to reset the onstar module. Engineering is investigating a solution.

  Associated Products (10)

  2027 Buick Enclave2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain
  Associated Documents

  • DownloadMC-11036395-0001.pdf↗