This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator...
Chevrolet technical service bulletin 21-NA-139 for 2017-2021 Chevrolet Malibu, 2019-2021 Chevrolet Silverado 1500 and 2019-2021 GMC Sierra 1500 and others.
- Bulletin number
- 21-NA-139
- Component
- Engine
- Summary
- This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
Owners of these vehicles have filed 3,652 complaints in the engine category.
Vehicles covered
- Chevrolet Malibu 2017-2021 20172018201920202021
- Chevrolet Silverado 1500 2019-2021 201920202021
- GMC Sierra 1500 2019-2021 201920202021
- Chevrolet Blazer 2019-2021 201920202021
- GMC Acadia 2018-2021 2018201920202021
- Chevrolet Traverse 2018-2021 2018201920202021
- Chevrolet Cruze 2017-2019 201720182019
- Buick Regal 2018-2020 201820192020
- Buick Enclave 2017-2021 20172018201920202021
- Buick Lacrosse 2017-2020 2017201820192020
- Cadillac XT5 2018-2021 2018201920202021
- Cadillac XT4 2019-2021 201920202021
- Cadillac XT6 2020-2021 20202021
- Cadillac CT6 2017-2019 201720182019
- Buick Regal Tourx 2018, 2020 20182020
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