Chevrolet Silverado Service Bulletins (2026)
338 manufacturer communications on file.
- December 31, 2025•Document ID: 11026923Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6540F
- Date Added:
- January 4, 2026
- Manufacturer:
- CHEVROLET
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 - December 30, 2025•Document ID: 11026924Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5689M
- Date Added:
- January 4, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
Associated Products (16)2026 Chevrolet Silverado2026 GMC Sierra2025 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 SierraAssociated Documents - December 22, 2025•Document ID: 11026859Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6469A
- Date Added:
- December 29, 2025
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information communicates an issue with the turn signals flashing fast after reprogramming the lighting control module. Dealer are to contact TCSC to obtain the correct cals for the lighting control module.
Associated Products (1)Associated Documents - December 19, 2025•Document ID: 11026728Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6469
- Date Added:
- December 22, 2025
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information communicates an issue with the turn signals flashing fast after reprogramming the lighting control module. Dealer are to contact TCSC to obtain the correct cals for the lighting control module.
Associated Products (1)Associated Documents - December 19, 2025•Document ID: 11026727Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6445B
- Date Added:
- December 22, 2025
- Manufacturer:
- CHEVROLET
SummaryThis PI communicates information that the Collision / Detection Systems will revert to default setting of Alert and Brake after an Ignition Cycle due to an Engineering change.
Associated Products (24)2026 Buick Enclave2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Canyon2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV+ 4 moreAssociated Documents - December 17, 2025•Document ID: 11026721Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6092A
- Date Added:
- December 22, 2025
- Manufacturer:
- CADILLAC
SummaryThis preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction through technical assistance.
Associated Products (33)2026 Cadillac CT42026 Cadillac CT52026 Chevrolet Colorado2026 Chevrolet Silverado2026 GMC Canyon2026 GMC Sierra2025 Buick Envision2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT42025 Chevrolet Colorado2025 Chevrolet Silverado2025 GMC Canyon2025 GMC Sierra2024 Buick Envision2024 Cadillac CT42024 Cadillac CT52024 Cadillac XT42024 Chevrolet Colorado2024 Chevrolet Silverado+ 13 moreAssociated Documents - December 16, 2025•Document ID: 11026715Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6467
- Date Added:
- December 22, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates that this concern is being root caused and no repairs should be attempted at this time
Associated Products (4)Associated Documents - December 12, 2025•Document ID: 11026600Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6457A
- Date Added:
- December 15, 2025
- 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.
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 - December 12, 2025•Document ID: 11026599Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6629B
- Date Added:
- December 15, 2025
- 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 (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 - December 10, 2025•Document ID: 11026848Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 654.10
- Date Added:
- December 25, 2025
- Manufacturer:
- GMC
SummaryThis update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. • Improvements to help reduce check engine light activation and emissions system messages. 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)Associated Documents - December 10, 2025•Document ID: 11026846Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 654.20
- Date Added:
- December 25, 2025
- Manufacturer:
- CHEVROLET
Summary• Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display. 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 (4)Associated Documents - December 5, 2025•Document ID: 11026843Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 654.30
- Date Added:
- December 25, 2025
- Manufacturer:
- GMC
Summary• Fixes to help ensure proper functionality for transmission system. 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)Associated Documents - December 4, 2025•Document ID: 11026492Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6224B
- Date Added:
- December 8, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits, or low fuel range and vehicle is idling.
Associated Products (32)2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 Chevrolet Suburban+ 12 moreAssociated Documents - December 2, 2025•Document ID: 11026489Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602Q
- Date Added:
- December 8, 2025
- Manufacturer:
- CHEVROLET
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 - December 2, 2025•Document ID: 11026488Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6630A
- Date Added:
- December 8, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to dealers steps to follow to recover an IOK radio.
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 - November 26, 2025•Document ID: 11026073Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6461
- Date Added:
- December 3, 2025
- Manufacturer:
- CHEVROLET
SummaryPI addresses a software issue on the K5 Assist step control module and identifies that a software update will be released to resolve the issue.
Associated Products (2)Associated Documents - November 26, 2025•Document ID: 11026071Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6132D
- Date Added:
- December 3, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
Associated Products (48)2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 Chevrolet Suburban+ 28 moreAssociated Documents - November 26, 2025•Document ID: 11026069Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6459
- Date Added:
- December 3, 2025
- Manufacturer:
- CADILLAC
SummaryThis PI communicates an issue where the Brake System Control Module DTC: U0028-88 and U0037-88 diagnostics are backwards and follow the diagnostic procedure for U0037 if U0028 is set and vice versa.
Associated Products (8)Associated Documents - November 26, 2025•Document ID: 11026068Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6630
- Date Added:
- December 3, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealers steps to follow to recover an IOK radio.
Associated Products (22)2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Silverado2025 GMC Sierra2024 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 Suburban2022 Chevrolet Tahoe2022 GMC Sierra+ 2 moreAssociated Documents - November 25, 2025•Document ID: 11026062Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6457
- Date Added:
- December 3, 2025
- Manufacturer:
- CADILLAC
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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