Chevrolet Corvette Service Bulletins
4,221 manufacturer communications on file.
- May 11, 2026•Document ID: 11032763Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6551B
- Date Added:
- May 19, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Associated Products (232)2026 Buick Enclave2026 Buick Encore2026 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 BrightDrop+ 212 moreAssociated Documents - May 8, 2026•Document ID: 11032658Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6193B
- Date Added:
- May 13, 2026
- Manufacturer:
- GMC
SummaryPI created to provide dealer technicians with procedures for updating Google Maps.
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 moreAssociated Documents - May 8, 2026•Document ID: 11032625Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6630B
- Date Added:
- May 13, 2026
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to dealers steps to follow to recover an IOK radio.
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 moreAssociated Documents - May 8, 2026•Document ID: 11032624Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6629E
- Date Added:
- May 13, 2026
- Manufacturer:
- GMC
SummaryThis PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
Associated Products (91)2027 Chevrolet Bolt EV2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 Chevrolet Traverse+ 71 moreAssociated Documents - May 8, 2026•Document ID: 11032455Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N262547330-01
- Date Added:
- May 8, 2026
- Manufacturer:
- CADILLAC
SummaryCertain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
Associated Products (32)2026 Buick Enclave2026 Cadillac CT52026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Terrain2025 Buick Enclave2025 Cadillac Celestiq2025 Cadillac CT52025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT4+ 12 moreAssociated Documents - May 6, 2026•Document ID: 11032621Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602W
- Date Added:
- May 13, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
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 BrightDrop Zevo2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 10 moreAssociated Documents - May 4, 2026•Document ID: 11032622Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602V
- Date Added:
- May 13, 2026
- Manufacturer:
- GMC
SummaryThis 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 moreAssociated Documents - May 4, 2026•Document ID: 11032579Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6406H
- Date Added:
- May 11, 2026
- Manufacturer:
- GMC
SummaryThis Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
Associated Products (24)2026 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 Silverado2022 Chevrolet Suburban+ 4 moreAssociated Documents - April 30, 2026•Document ID: 11031808Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 661.22
- Date Added:
- April 30, 2026
- Manufacturer:
- CHEVROLET
SummaryFixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features.
Associated Products (1)Associated Documents - April 30, 2026•Document ID: 11032560Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6540G
- Date Added:
- May 8, 2026
- Manufacturer:
- BUICK
SummaryThis Preliminary information communicates to dealers a procedure to reset the radio.
Associated Products (152)2026 Buick Enclave2026 Buick Encore2026 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 BrightDrop+ 132 moreAssociated Documents - April 30, 2026•Document ID: 11032559Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6540G
- Date Added:
- May 8, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates to dealers a procedure to reset the radio.
Associated Products (152)2026 Buick Enclave2026 Buick Encore2026 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 BrightDrop+ 132 moreAssociated Documents - April 30, 2026•Document ID: 11031749Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602U
- Date Added:
- April 30, 2026
- Manufacturer:
- GMC
SummaryThis 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 moreAssociated Documents - April 28, 2026•Document ID: 11032554Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6393K
- Date Added:
- May 8, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
Associated Products (60)2027 Chevrolet Bolt EV2026 Buick Enclave2026 Buick Envision2026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse+ 40 moreAssociated Documents - April 24, 2026•Document ID: 11031946Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6406G
- Date Added:
- May 2, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
Associated Products (24)2026 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 Silverado2022 Chevrolet Suburban+ 4 moreAssociated Documents - April 23, 2026•Document ID: 11031745Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6629D
- Date Added:
- April 30, 2026
- Manufacturer:
- CHEVROLET
SummaryThis PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
Associated Products (95)2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 Chevrolet Traverse+ 75 moreAssociated Documents - April 20, 2026•Document ID: 11031717Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6507
- Date Added:
- April 29, 2026
- Manufacturer:
- CHEVROLET
SummaryThis PI communicates information on a SPS programming issue causing Serial Data Authentication Configuration to fail.
Associated Products (10)Associated Documents - April 16, 2026•Document ID: 11031366Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N262547330
- Date Added:
- April 17, 2026
- Manufacturer:
- CHEVROLET
SummaryCertain vehicles, may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. Important: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
Associated Products (32)2026 Buick Enclave2026 Cadillac CT52026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Terrain2025 Buick Enclave2025 Cadillac Celestiq2025 Cadillac CT52025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT4+ 12 moreAssociated Documents - April 14, 2026•Document ID: 11031514Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6503
- Date Added:
- April 23, 2026
- Manufacturer:
- CHEVROLET
SummaryThis 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 (114)2026 Buick Enclave2026 Buick Encore2026 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 BrightDrop+ 94 moreAssociated Documents - April 10, 2026•Document ID: 11031809Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 661.21
- Date Added:
- April 30, 2026
- Manufacturer:
- CHEVROLET
Summary• Improvements to audio quality when using Google Assistant. • Fixes to help ensure successful vehicle software updates. • Improvements to shifting performance and fewer check engine light activations.
Associated Products (1)Associated Documents - April 1, 2026•Document ID: 11030974Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT3271Q
- Date Added:
- April 7, 2026
- Manufacturer:
- CADILLAC
SummaryThis preliminary information communicates information about how to determine if a wheel and tires size change is available.
Associated Products (736)2027 Chevrolet Bolt EV2026 Buick Enclave2026 Buick Encore2026 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 Blazer+ 716 moreAssociated Documents