Chevrolet Silverado Service Bulletins
10,441 manufacturer communications on file.
- August 18, 2026•Document ID: 11036479Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- N26-254904
- Date Added:
- August 31, 2026
- Manufacturer:
- GMC
Summary• Fixes to help prevent false Service Driver Assist System messages. • Improvements to connectivity for OnStar.
Associated Products (2)Associated Documents - August 14, 2026•Document ID: 11036220Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6131
- Date Added:
- August 17, 2026
- Manufacturer:
- GMC
SummaryThis Preliminary Information (PI) relays to dealer technicians to replace the engine and turbocharger if there is a lack of lubrication to the rocker arms or rocker arm components.
Associated Products (2)Associated Documents - August 14, 2026•Document ID: 11036222Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6533A
- Date Added:
- August 17, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost left or right side object detection alerts.
Associated Products (26)2027 Buick Enclave2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Vistiq2027 Chevrolet Bolt EV2027 Chevrolet Traverse2027 GMC Acadia2026 Buick Enclave2026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Vistiq2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse+ 6 moreAssociated Documents - August 12, 2026•Document ID: 11036480Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.31
- Date Added:
- August 31, 2026
- Manufacturer:
- GMC
Summary• Improvements to reliability when extending the running boards on your vehicle • Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.
Associated Products (2)Associated Documents - August 12, 2026•Document ID: 11036219Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6503C
- Date Added:
- August 17, 2026
- Manufacturer:
- GMC
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 - August 12, 2026•Document ID: 11036143Service CampaignFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- N262558690-01
- Date Added:
- August 12, 2026
- Manufacturer:
- GMC
SummaryGeneral Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
Associated Products (16)2023 Chevrolet Colorado2023 Chevrolet Equinox2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra2023 GMC Terrain2022 Buick Enclave2022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Traverse2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XLAssociated Documents - August 11, 2026•Document ID: 11036475Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.40
- Date Added:
- August 31, 2026
- Manufacturer:
- CHEVROLET
SummaryFewer unnecessary service messages, warning light activations, and automated OnStar calls from your vehicle
Associated Products (2)Associated Documents - August 8, 2026•Document ID: 11036470Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.20
- Date Added:
- August 31, 2026
- Manufacturer:
- GMC
Summary• Improvements to active cabin ventilation • Additional protection for the health of your battery • Improvements to the software update system • Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes for accuracy of low tire pressure alert. • Fixes for speed threshold for pedestrian alerts. • Improvements to help reduce check engine light activation and emissions system messages. • Improves behavior of aero shutter system in freezing temperatures • Improvements to reliability when extending the running boards on your vehicle.
Associated Products (2)Associated Documents - August 7, 2026•Document ID: 11036196Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6031B
- Date Added:
- August 14, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates an issue where an aftermarket autostop device or rear taillights is causing a dead battery.
Associated Products (10)Associated Documents - August 5, 2026•Document ID: 11036471Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.21
- Date Added:
- August 31, 2026
- Manufacturer:
- GMC
Summary• Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes for accuracy of low tire pressure alert. • Fixes for speed threshold for pedestrian alerts. • Improvements to start reliability and reduced check engine light activation • Improvements to turbo system diagnostics • Improvements to reliability when extending the running boards on your vehicle • Improves transmission diagnostic software. • Reduces unnecessary check engine light activations. • Fixes to help extend coolant valve life through diagnostic changes
Associated Products (2)Associated Documents - August 5, 2026•Document ID: 11036195Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6368D
- Date Added:
- August 14, 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.
Associated Products (51)2026 Buick Enclave2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Terrain2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave+ 31 moreAssociated Documents - August 4, 2026•Document ID: 11036476Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.40
- Date Added:
- August 31, 2026
- Manufacturer:
- GMC
Summary• Additional protection for battery health and to help prevent battery drain • Improved charging messaging in the driver display • Improved vehicle diagnostics
Associated Products (2)Associated Documents - August 4, 2026•Document ID: 11035685Service CampaignFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- N242452130-01
- Date Added:
- August 4, 2026
- Manufacturer:
- CHEVROLET
SummaryCertain vehicles may have a condition in which the Engine Control Module (ECM) does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
Associated Products (8)Associated Documents - August 4, 2026•Document ID: 11035676Service CampaignENGINE
- Mfr Comm. #:
- N262568830
- Date Added:
- August 4, 2026
- Manufacturer:
- CHEVROLET
SummaryCertain vehicles listed above may have a condition in which the oil filter was not adequately tightened. Dealers are to check and tighten the oil filter if found to be loose.
Associated Products (6)Associated Documents - August 3, 2026•Document ID: 11036194Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6512A
- Date Added:
- August 14, 2026
- Manufacturer:
- BUICK
SummaryThis PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
Associated Products (71)2027 Chevrolet Bolt EV2026 Buick Enclave2026 Buick Envision2026 Cadillac Celestiq2026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia+ 51 moreAssociated Documents - July 31, 2026•Document ID: 11035709Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6127
- Date Added:
- August 4, 2026
- Manufacturer:
- CHEVROLET
SummaryThis document assists GM dealer technicians with diagnosing torque converter concerns to ensure torque converter replacement is necessary. The torque converter part number will be placed on order restriction, and the technician will be asked to follow 25-NA-148 before requesting a part through PQC.
Associated Products (16)2026 Chevrolet Colorado2026 GMC Canyon2025 Chevrolet Colorado2025 GMC Canyon2024 Chevrolet Colorado2024 GMC Canyon2023 Chevrolet Colorado2023 GMC Canyon2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC SierraAssociated Documents - July 30, 2026•Document ID: 11036477Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.40
- Date Added:
- August 31, 2026
- Manufacturer:
- GMC
Summary• Additional protection for battery health and to help prevent battery drain • Improved charging messaging in the driver display • Improved vehicle diagnostics
Associated Products (2)Associated Documents - July 30, 2026•Document ID: 11035451Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.21
- Date Added:
- August 1, 2026
- Manufacturer:
- CHEVROLET
SummaryImprovements to accuracy for Diesel Exhaust Fluid level shown in driver display.
Associated Products (2)Associated Documents - July 30, 2026•Document ID: 11035710Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6517C
- Date Added:
- August 5, 2026
- Manufacturer:
- CADILLAC
SummaryThis PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.
Associated Products (34)2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Equinox2027 GMC Terrain2026 Buick Enclave2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Tahoe2026 Chevrolet Traverse+ 14 moreAssociated Documents - July 28, 2026•Document ID: 11035450Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- N26-F163BX
- Date Added:
- August 1, 2026
- Manufacturer:
- CHEVROLET
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. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior.
Associated Products (2)Associated Documents