Chevrolet Silverado Service Bulletins
10,441 manufacturer communications on file.
- August 7, 2025•Document ID: 11022231Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- N25-250380
- Date Added:
- August 29, 2025
- Manufacturer:
- CHEVROLET
SummarySoftware Update for your 24MY Chevrolet Silverado / GMC Sierra: * Improvements to software performance. * Fixes for audio system performance. * Improvements to connectivity for Bluetooth. * Fixes to help ensure successful software updates and notifications. * Fixes to address instances of inactive driver display. * Improvements to functionality for USB and steering wheel controls. 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 - August 7, 2025•Document ID: 11021792Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC5650M
- Date Added:
- August 12, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
Associated Products (896)2026 Buick Enclave2026 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 BrightDrop2026 Chevrolet Colorado+ 876 moreAssociated Documents - August 5, 2025•Document ID: 11022225Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 652.30
- Date Added:
- August 29, 2025
- Manufacturer:
- GMC
SummaryThis software update includes the following, if your vehicle is equipped: • Increases the availability of Super Cruise functionality (if equipped) • Additional improvements and fixes implemented • Improvements to leveling corrections • Fixes to help ensure accurate braking when a vehicle is detected • Fixes to address erroneous braking • Improvements to vehicle acceleration response in heavy traffic • Improvements to braking responsiveness 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 - August 5, 2025•Document ID: 11022224Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 652.20
- Date Added:
- August 29, 2025
- Manufacturer:
- GMC
SummaryThis software update includes the following, if your vehicle is equipped: • Improvements to vehicle diagnostics • Fixes to preserve battery life and improve charging • Fixes to address issues with shifting • Fixes for vehicle airflow in icy conditions • Improvements to HVAC compressor performance 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 - August 5, 2025•Document ID: 11022223Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 652.40
- Date Added:
- August 29, 2025
- Manufacturer:
- GMC
SummaryThis software update includes the following, if your vehicle is equipped: • Improvements to the rear view camera. • Fixes to address missing trailer indicators • Fixes to front and rear display responsiveness • Improvements to performance of climate controls • Additional improvements and fixes implemented 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 - August 5, 2025•Document ID: 11022222Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 652.10
- Date Added:
- August 29, 2025
- Manufacturer:
- GMC
SummaryThis software update includes the following, if your vehicle is equipped: •Improvements to vehicle diagnostics •Fixes to preserve battery life and improve charging •Fixes to address issues with shifting •Fixes for vehicle airflow in icy conditions •Improvements to HVAC compressor performance 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 - August 5, 2025•Document ID: 11022075Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6396A
- Date Added:
- August 22, 2025
- Manufacturer:
- CHEVROLET
SummaryThis PI communicates an issue with a SES MIL with DTC P2535, P12A6, P10DA and/or C111B maybe set after replacing the fuel pump driver module. Engineering is working on a fix, but in the meantime, dealers are to install a diode.
Associated Products (8)Associated Documents - August 5, 2025•Document ID: 11022071Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6247A
- Date Added:
- August 22, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
Associated Products (61)2025 Chevrolet Blazer2025 Chevrolet Silverado2025 Chevrolet Suburban2024 Chevrolet Blazer2024 Chevrolet Express2024 Chevrolet Silverado2024 Chevrolet Tahoe2023 Chevrolet Express2023 Chevrolet Silverado2023 Chevrolet Tahoe2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 Chevrolet Tahoe2021 Chevrolet Silverado2021 Chevrolet Tahoe2020 Chevrolet Silverado2020 Chevrolet Tahoe2019 Chevrolet Express2019 Chevrolet Impala+ 41 moreAssociated Documents - August 5, 2025•Document ID: 11022067Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6006C
- Date Added:
- August 22, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates where to find the back antenna for learning new key fobs.
Associated Products (9)Associated Documents - July 31, 2025•Document ID: 11021308Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5161L
- Date Added:
- August 4, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
Associated Products (40)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+ 20 moreAssociated Documents - July 30, 2025•Document ID: 11021285Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602G
- Date Added:
- August 4, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Associated Products (26)2025 Chevrolet Corvette2025 Chevrolet Silverado2025 Chevrolet Suburban2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 BrightDrop Zevo2023 Chevrolet Silverado2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL+ 6 moreAssociated Documents - July 29, 2025•Document ID: 11021312Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6212D
- Date Added:
- August 4, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
Associated Products (30)2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Colorado2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Canyon2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Colorado2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Canyon2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL+ 10 moreAssociated Documents - July 28, 2025•Document ID: 11021303Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP5865E
- Date Added:
- August 4, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
Associated Products (26)2025 Cadillac CT42025 Chevrolet Colorado2025 Chevrolet Silverado2025 GMC Canyon2025 GMC Sierra2024 Cadillac CT42024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2024 GMC Sierra2023 Cadillac CT42023 Chevrolet Colorado2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Silverado2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Silverado+ 6 moreAssociated Documents - July 26, 2025•Document ID: 11021069Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- N25-F163BU
- Date Added:
- July 31, 2025
- Manufacturer:
- GMC
SummaryGM Update N25-F163BU This 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. 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 - July 26, 2025•Document ID: 11020963Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6393B
- Date Added:
- July 30, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
Associated Products (37)2026 Cadillac Escalade ESV2026 Cadillac Vistiq2026 Chevrolet BrightDrop2026 Chevrolet Equinox2026 GMC Terrain2025 Buick Enclave2025 Buick Envision2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse+ 17 moreAssociated Documents - July 25, 2025•Document ID: 11020964Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6413
- Date Added:
- July 30, 2025
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information is for technicians that will have this message after USB updating the radio. The repair should not involve replacing a module as pressing the reset button will correct this issue.
Associated Products (31)2026 Buick Enclave2026 Cadillac Escalade ESV2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 GMC Terrain2025 Buick Enclave2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq2025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Canyon2025 GMC Sierra2025 GMC Terrain2025 GMC Yukon+ 11 moreAssociated Documents - July 24, 2025•Document ID: 11020961Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6023C
- Date Added:
- July 30, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
Associated Products (12)Associated Documents - July 24, 2025•Document ID: 11020960Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602F
- Date Added:
- July 30, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Associated Products (27)2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 BrightDrop Zevo2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL+ 7 moreAssociated Documents - July 23, 2025•Document ID: 11020863Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N242435630-05
- Date Added:
- July 23, 2025
- Manufacturer:
- CADILLAC
SummaryCustomer Satisfaction Program. Certain model years and vehicle makes noted in the table above may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.
Associated Products (25)2025 Cadillac CT42024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2022 Buick Envision2022 Cadillac CT4+ 5 moreAssociated Documents - July 21, 2025•Document ID: 11020797Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N252504660
- Date Added:
- July 21, 2025
- Manufacturer:
- CHEVROLET
SummaryCustomer Satisfaction Program. Certain vehicles listed above were built without proper programming keys written into the radio. Dealers will replace and reprogram the radio.
Associated Products (1)Associated Documents