Chevrolet Silverado Service Bulletins
10,441 manufacturer communications on file.
- July 13, 2026•Document ID: 11035125Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6529A
- Date Added:
- July 21, 2026
- Manufacturer:
- CHEVROLET
SummaryThis PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
Associated Products (18)2025 Chevrolet Silverado2025 GMC Sierra2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XLAssociated Documents - July 10, 2026•Document ID: 11035455Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.10
- Date Added:
- August 1, 2026
- Manufacturer:
- CHEVROLET
Summary• Improves transmission diagnostic software. • Reduces unnecessary check engine light activations.
Associated Products (2)Associated Documents - July 9, 2026•Document ID: 11035300Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- N25-252332
- Date Added:
- July 29, 2026
- Manufacturer:
- CHEVROLET
Summary• Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation, and Super Cruise.
Associated Products (13)Associated Documents - July 9, 2026•Document ID: 11034974Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6006D
- Date Added:
- July 13, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates where to find the back antenna for learning new key fobs.
Associated Products (11)Associated Documents - July 8, 2026•Document ID: 11035384Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.20
- Date Added:
- July 31, 2026
- Manufacturer:
- CHEVROLET
Summary• Improvements to active cabin ventilation • Additional protection for the health of your battery • Updates to help prevent excessive battery drain and overheating • Improvements to the software update system • This update contains a required software change to help improve the overall software update and diagnostics process
Associated Products (2)Associated Documents - July 8, 2026•Document ID: 11035377Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.20
- Date Added:
- July 31, 2026
- Manufacturer:
- CHEVROLET
Summary• Improvements to active cabin ventilation • Additional protection for the health of your battery • Updates to help prevent excessive battery drain and overheating • Improvements to the software update system • Improved vehicle performance when driving in Reverse on slippery surfaces • Better One-Pedal Driving performance • Improved accuracy for driver display messages • This update contains a required software change to help improve the overall software update and diagnostics process
Associated Products (2)Associated Documents - July 8, 2026•Document ID: 11034981Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6146A
- Date Added:
- July 13, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates on a software anomaly for a DTC that sets for the incorrect side and how to address that concern.
Associated Products (17)2026 Cadillac Escalade2026 Cadillac Escalade IQL2026 Chevrolet Silverado2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2025 Cadillac Escalade2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2023 GMC Hummer EV Pickup2022 GMC Hummer EV PickupAssociated Documents - July 6, 2026•Document ID: 11034977Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6532
- Date Added:
- July 13, 2026
- Manufacturer:
- CHEVROLET
SummaryThe purpose of this PI is to inform dealer technicians of a normal cab pressure relief valve noise to avoid unnecessary part replacement
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 - June 29, 2026•Document ID: 11034781Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6531
- Date Added:
- July 7, 2026
- Manufacturer:
- GMC
SummaryThis preliminary information communicates an issue with aftermarket LED lighting causing false front park assist alerts and dealers are to install the factory lighting before performing any in depth diagnostics.
Associated Products (8)Associated Documents - June 29, 2026•Document ID: 11034785Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5910C
- Date Added:
- July 7, 2026
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates an issue with the dome light off switch not working after the BCM goes asleep. Advise dealership it is working as designed.
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 - June 29, 2026•Document ID: 11034778Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6476C
- Date Added:
- July 7, 2026
- Manufacturer:
- GMC
SummaryThis preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery connections and for any aftermarket devices.
Associated Products (40)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+ 20 moreAssociated Documents - June 24, 2026•Document ID: 11034767Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5544J
- Date Added:
- July 7, 2026
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates information on a hydraulic rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
Associated Products (22)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 Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra+ 2 moreAssociated Documents - June 23, 2026•Document ID: 11034769Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5966F
- Date Added:
- July 7, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
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 - June 23, 2026•Document ID: 11034763Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6529
- Date Added:
- July 7, 2026
- Manufacturer:
- GMC
SummaryThis PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
Associated Products (17)2025 Chevrolet Silverado2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XLAssociated Documents - June 17, 2026•Document ID: 11034013Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6114A
- Date Added:
- June 22, 2026
- Manufacturer:
- CHEVROLET
SummaryThis document restricts dealers from ordering an engine assembly. The technician must contact GM Technical Assistance to have diagnostics verified and that an engine assembly is needed.
Associated Products (2)Associated Documents - June 17, 2026•Document ID: 11034014Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6503B
- Date Added:
- June 22, 2026
- Manufacturer:
- CADILLAC
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 (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 moreAssociated Documents - June 16, 2026•Document ID: 11034038Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- N25-252332
- Date Added:
- June 24, 2026
- Manufacturer:
- GMC
Summary• Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation, and Super Cruise.
Associated Products (35)2026 Buick Enclave2026 Buick Envision2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Lyriq2026 Cadillac Optiq2026 Chevrolet Blazer2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Terrain2025 Buick Enclave2025 Cadillac Celestiq2025 Cadillac CT42025 Cadillac CT52025 Cadillac Lyriq+ 15 moreAssociated Documents - June 10, 2026•Document ID: 11034055Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 661.20
- Date Added:
- June 25, 2026
- Manufacturer:
- CHEVROLET
Summary• If you are equipped with Diesel engine then: Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.
Associated Products (2)Associated Documents - June 10, 2026•Document ID: 11034054Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 661.42
- Date Added:
- June 25, 2026
- Manufacturer:
- GMC
Summary• If you are equipped with Diesel engine then: Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.
Associated Products (2)Associated Documents - June 10, 2026•Document ID: 11033783Service CampaignPOWER TRAIN
- Mfr Comm. #:
- N262560680
- Date Added:
- June 10, 2026
- Manufacturer:
- CHEVROLET
SummaryCertain vehicles may have a condition in which the bolts for the transmission control valve body may be loose or missing. Dealers will retorque or replace the suspect valve body bolts.
Associated Products (2)Associated Documents