GMC Sierra Service Bulletins (2021)
1,650 manufacturer communications on file.
- December 19, 2024•Document ID: 11012247Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- PIT6134F
- Date Added:
- January 3, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
Associated Products (32)2024 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 XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban+ 12 moreAssociated Documents - December 18, 2024•Document ID: 11012027Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; UNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5386K
- Date Added:
- December 20, 2024
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
Associated Products (24)2025 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 Sierra2016 Chevrolet Silverado2016 GMC Sierra+ 4 moreAssociated Documents - December 18, 2024•Document ID: 11012907Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 03-06-01-023I
- Date Added:
- January 17, 2025
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
Associated Products (218)2025 Chevrolet Silverado2025 Chevrolet Suburban2025 GMC Savana2025 GMC Sierra2024 Chevrolet Express2024 Chevrolet Silverado2024 Chevrolet Suburban2024 GMC Savana2024 GMC Sierra2023 Chevrolet 4500HD2023 Chevrolet 5500HD2023 Chevrolet Express2023 Chevrolet Silverado2023 Chevrolet Suburban2023 GMC Savana2023 GMC Sierra2022 Chevrolet 35002022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD+ 198 moreAssociated Documents - December 17, 2024•Document ID: 11011880Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- N242454441-02
- Date Added:
- December 17, 2024
- Manufacturer:
- GMC
SummaryCertain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
Associated Products (19)2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Silverado2020 Chevrolet Suburban2020 GMC SierraAssociated Documents - December 14, 2024•Document ID: 11012690Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 18-NA-263
- Date Added:
- January 9, 2025
- Manufacturer:
- GMC
SummaryThis warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
Associated Products (543)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 523 moreAssociated Documents - December 13, 2024•Document ID: 11011826Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- N242454441-02
- Date Added:
- December 13, 2024
- Manufacturer:
- CADILLAC
SummaryCertain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties.
Associated Products (18)2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC SierraAssociated Documents - December 12, 2024•Document ID: 11011780Service CampaignPOWER TRAIN
- Mfr Comm. #:
- N242454441-01
- Date Added:
- December 12, 2024
- Manufacturer:
- CHEVROLET
SummaryCertain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
Associated Products (14)Associated Documents - December 10, 2024•Document ID: 11012670Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 16-NA-376
- Date Added:
- January 8, 2025
- Manufacturer:
- CHEVROLET
SummaryThis informational bulletin provides information on higher than expected oil consumption.
Associated Products (18)2025 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 SierraAssociated Documents - December 7, 2024•Document ID: 11011782Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5074Q
- Date Added:
- December 12, 2024
- Manufacturer:
- BUICK
SummaryThis Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
Associated Products (675)2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 655 moreAssociated Documents - December 6, 2024•Document ID: 11012189Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 23-NA-064
- Date Added:
- January 3, 2025
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
Associated Products (236)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 216 moreAssociated Documents - December 6, 2024•Document ID: 11011805Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; UNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5962B
- Date Added:
- December 12, 2024
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
Associated Products (691)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 671 moreAssociated Documents - December 4, 2024•Document ID: 11011687Service Bulletin/Repair InstructionsUNKNOWN OR OTHER; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- Mfr Comm. #:
- PIT5697D
- Date Added:
- December 9, 2024
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
Associated Products (14)Associated Documents - November 27, 2024•Document ID: 11012009Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 24-NA-264
- Date Added:
- December 20, 2024
- Manufacturer:
- CHEVROLET
SummaryThis bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
Associated Products (65)2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Camaro2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon+ 45 moreAssociated Documents - November 27, 2024•Document ID: 11011993Service Bulletin/Repair InstructionsWHEELS; AIR BAGS; POWER TRAIN
- Mfr Comm. #:
- 21-NA-275
- Date Added:
- December 19, 2024
- Manufacturer:
- CADILLAC
SummaryThis service bulletin provides repair information to correct customer concerns of Wheel Lock Up, ABS Event, Loud Bang and a Flashing “D” on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.
Associated Products (19)2021 Cadillac CT42021 Cadillac CT52021 Cadillac CT62021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Chevrolet Camaro2020 Chevrolet Silverado2020 GMC Sierra2019 Cadillac CT6Associated Documents - November 27, 2024•Document ID: 11011989Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 08-07-30-035I
- Date Added:
- December 19, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
Associated Products (512)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban+ 492 moreAssociated Documents - November 27, 2024•Document ID: 11010810Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- N242454441
- Date Added:
- November 27, 2024
- Manufacturer:
- CHEVROLET
SummaryCertain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
Associated Products (12)Associated Documents - November 26, 2024•Document ID: 11012007Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 24-NA-262
- Date Added:
- December 20, 2024
- Manufacturer:
- GMC
SummaryThis bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
Associated Products (12)Associated Documents - November 25, 2024•Document ID: 11011991Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 17-NA-374
- Date Added:
- December 19, 2024
- Manufacturer:
- CHEVROLET
SummaryThis informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
Associated Products (18)2025 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 SierraAssociated Documents - November 25, 2024•Document ID: 11011996Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; UNKNOWN OR OTHER
- Mfr Comm. #:
- 22-NA-238
- Date Added:
- December 19, 2024
- Manufacturer:
- GMC
SummaryThis service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
Associated Products (232)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado+ 212 moreAssociated Documents - November 22, 2024•Document ID: 11011946Service Bulletin/Repair InstructionsVISIBILITY/WIPER
- Mfr Comm. #:
- 23-NA-167
- Date Added:
- December 18, 2024
- Manufacturer:
- CADILLAC
SummaryThis informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors.
Associated Products (35)2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade+ 15 moreAssociated Documents