Chevrolet Silverado Service Bulletins
10,441 manufacturer communications on file.
- April 24, 2026•Document ID: 11031551Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- N262548050
- Date Added:
- April 24, 2026
- Manufacturer:
- CHEVROLET
SummaryThis message is to inform dealers that Special Coverage N262548050 is being temporarily suspended for the models above. Involved vehicles will be temporarily removed from IVH. Dealers will be notified when repairs can be resumed. We apologize for any inconvenience this situation may cause.
Associated Products (2)Associated 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: 11031510Service CampaignENGINE
- Mfr Comm. #:
- N262548050
- Date Added:
- April 23, 2026
- Manufacturer:
- CHEVROLET
SummaryCertain vehicles, may have a condition that could cause the Catalytic Converter to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to replace the Catalytic Converter as necessary. The repairs will be made at no charge to the customer.
Associated Products (2)Associated 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 22, 2026•Document ID: 11031709Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6017B
- Date Added:
- April 29, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the option.
Associated Products (10)Associated Documents - April 21, 2026•Document ID: 11031708Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6452D
- Date Added:
- April 29, 2026
- Manufacturer:
- CHEVROLET
SummaryThis is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
Associated Products (16)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 XLAssociated Documents - April 20, 2026•Document ID: 11031386Service CampaignSTRUCTURE:BODY
- Mfr Comm. #:
- N262547670
- Date Added:
- April 20, 2026
- Manufacturer:
- CHEVROLET
SummaryCertain vehicles listed above may have a condition in which there are splits in the cab door ring in the rear outboard side of the roof ditch and exterior cab door ring. Dealers will inspect the rear outboard roof ditch area of the cab door ring and the exterior cab door ring, and weld and seal any identified splits as necessary.
Associated Products (2)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: 11031807Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 661.30
- Date Added:
- April 30, 2026
- Manufacturer:
- GMC
Summary• Fixes to help extend coolant valve life through diagnostic changes.
Associated Products (2)Associated Documents - April 14, 2026•Document ID: 11031511Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6108
- Date Added:
- April 23, 2026
- Manufacturer:
- CHEVROLET
SummaryThis PI instructs technicians to inspect the ground plane on MD Silverado vehicles with DTC P251A
Associated Products (5)Associated 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 13, 2026•Document ID: 11031509Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5689N
- Date Added:
- April 23, 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 - April 13, 2026•Document ID: 11031271Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N262546840
- Date Added:
- April 13, 2026
- Manufacturer:
- CHEVROLET
SummaryCustomer Satisfaction Program. On certain vehicles listed above, the customer was charged for a back-up alarm calibration which was not provided with the vehicle. Dealers will provide the customer with a reimbursement check in the amount of $50.00 (USD) / $85.00 (CAD).
Associated Products (2)Associated Documents - April 8, 2026•Document ID: 11031278Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6107
- Date Added:
- April 13, 2026
- Manufacturer:
- CADILLAC
SummaryTechnical Detail: This PI conveys that the BRFM (Battery Radio Frequency Module) becomes stuck/ logic locked in a state that requires an ENG level reset (RAD-wBMS).
Associated Products (8)Associated Documents - April 2, 2026•Document ID: 11030537Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 661.20
- Date Added:
- April 2, 2026
- Manufacturer:
- CHEVROLET
Summary• Improvements to accuracy of Park Assist messaging. • Fixes to improve performance of driver assistance systems and rear view camera. • Improvements to responsiveness of rear view camera. • Fixes to address Super Cruise disengaging erroneously.
Associated Products (4)Associated Documents - April 1, 2026•Document ID: 11030975Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6504
- Date Added:
- April 7, 2026
- Manufacturer:
- GMC
SummaryThis preliminary information communicates a normal characteristic where Some customers may comment that they have a " Forward Collision Unavailable" message that intermittently comes on during startup and goes out a few seconds later. No Repairs should be made
Associated Products (6)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.
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- Mfr Comm. #:
- N252529080
- Date Added:
- April 1, 2026
- Manufacturer:
- CADILLAC
SummaryService Update. Certain vehicles listed above may be missing a high voltage header plug on the RESS battery pack drive motor connector. Dealers are to inspect the RESS pack connectors and install the proper HV Header Plug if missing.
Associated Products (17)2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet Silverado2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2025 Cadillac Escalade IQ2025 Chevrolet BrightDrop2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 BrightDrop Zevo2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC SierraAssociated Documents - March 28, 2026•Document ID: 11030533Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 661.10
- Date Added:
- April 2, 2026
- Manufacturer:
- GMC
Summary• Fixes to help prevent false Service Driver Assist System messages. • Improvements to connectivity for OnStar.
Associated Products (8)Associated Documents - March 27, 2026•Document ID: 11030361Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6368C
- Date Added:
- March 31, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
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