Chevrolet Corvette Service Bulletins (2027)
20 manufacturer communications on file.
- October 28, 2026•Document ID: 11038854Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- Telematics 2026.3
- Date Added:
- November 1, 2026
- Manufacturer:
- CHEVROLET
Summary• Improved reliability of connected services, including OnStar, Wi-Fi hotspot, and navigation • Enhanced emergency calling performance • Improved battery management during vehicle software updates
Associated Products (1)Associated Documents - October 19, 2026•Document ID: 11038575Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- N262578120
- Date Added:
- October 19, 2026
- Manufacturer:
- CHEVROLET
SummaryGeneral Motors has decided to conduct a voluntary emissions recall. The Vehicle Emissions Control Information (VECI) label does not specify the correct evaporative emissions family name. Dealers are to install a new VECI label.
Associated Products (1)Associated Documents - October 16, 2026•Document ID: 11038587Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6534A
- Date Added:
- October 19, 2026
- Manufacturer:
- GMC
SummaryOnstar connectivity features may be inoperative. Dealer is instructed how to reset the onstar module. Engineering is investigating a solution.
Associated Products (5)Associated Documents - September 28, 2026•Document ID: 11038136Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6457C
- Date Added:
- October 5, 2026
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
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- Mfr Comm. #:
- PIC6540K
- Date Added:
- October 5, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealers a procedure to reset the radio.
Associated Products (173)2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 153 moreAssociated Documents - September 28, 2026•Document ID: 11037796Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6135
- Date Added:
- October 2, 2026
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information provides the dealer with direction for addressing diagnostic trouble code P00C6 being set in history. The dealer is advised to clear the dtc and re-evaluate. If the dtc does not reset, they are instructed to release the vehicle, if the dtc does reset they are instructed to pursue published diagnostics for that dtc.
Associated Products (1)Associated Documents - September 26, 2026•Document ID: 11037557Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6664
- Date Added:
- September 30, 2026
- Manufacturer:
- CHEVROLET
SummaryThe purpose of this Preliminary Information is to inform dealership technicians how to diagnose a "Service Power Steering - No Assist Soon" message.
Associated Products (1)Associated Documents - September 26, 2026•Document ID: 11037555Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5698F
- Date Added:
- September 30, 2026
- Manufacturer:
- CADILLAC
SummaryThis PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
Associated Products (619)2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 599 moreAssociated Documents - September 18, 2026•Document ID: 11037458Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6132
- Date Added:
- September 23, 2026
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information advises dealers of a potential engine oil cooler seal leak and provides a repair solution of seal replacement.
Associated Products (1)Associated Documents - September 4, 2026•Document ID: 11037253Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP4902W
- Date Added:
- September 10, 2026
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Associated Products (751)2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista+ 731 moreAssociated Documents - September 3, 2026•Document ID: 11037250Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6605C
- Date Added:
- September 10, 2026
- Manufacturer:
- CHEVROLET
SummaryThis 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)Associated Documents - August 27, 2026•Document ID: 11036690Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6541
- Date Added:
- September 2, 2026
- Manufacturer:
- GMC
SummaryThis 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)2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista+ 110 moreAssociated Documents - August 19, 2026•Document ID: 11036398Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6662
- Date Added:
- August 27, 2026
- Manufacturer:
- CHEVROLET
SummaryThe 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)Associated Documents - August 18, 2026•Document ID: 11036396Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6654A
- Date Added:
- August 27, 2026
- Manufacturer:
- CHEVROLET
SummaryThe 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)Associated Documents - August 18, 2026•Document ID: 11036395Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6534
- Date Added:
- August 27, 2026
- Manufacturer:
- CADILLAC
SummaryOnstar connectivity features may be inoperative. Dealer is instructed how to reset the onstar module. Engineering is investigating a solution.
Associated Products (10)Associated Documents - July 17, 2026•Document ID: 11035134Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6089B
- Date Added:
- July 21, 2026
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information advises dealers that engine part numbers 12731949, 12739909 and 12716295 have been placed on restriction. Dealers are instructed to order these engines through the Technical Assistance Center.
Associated Products (5)Associated Documents - July 7, 2026•Document ID: 11034973Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6124
- Date Added:
- July 13, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information informs dealers that the 2027 6.7L RPO LS6 engine is on an exchange program. Dealers are instructed to contact the Product Quality Center to order an engine assembly.
Associated Products (1)Associated Documents - June 29, 2026•Document ID: 11034780Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6654
- Date Added:
- July 7, 2026
- Manufacturer:
- CHEVROLET
SummaryThe 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)Associated Documents - May 27, 2026•Document ID: 11033150Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6519
- Date Added:
- June 2, 2026
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
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- Mfr Comm. #:
- PIC6605B
- Date Added:
- May 28, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates that many parts for this vehicle are on a part restriction. Dealers are directed to check EPC for restriction notes and to contact TAC if restricted parts need to be ordered.
Associated Products (3)Associated Documents