This technical bulletin provides a procedure to update the GPCM if found the
Chevrolet technical service bulletin 20NA176 for 2017-2018 Chevrolet Silverado 1500, 2017-2018 GMC Sierra 1500 and 2017-2020 Chevrolet Silverado 2500 and others.
- Bulletin number
- 20NA176
- Component
- Engine
- Summary
- This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern.
Owners of these vehicles have filed 487 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2017-2018 20172018
- GMC Sierra 1500 2017-2018 20172018
- Chevrolet Silverado 2500 2017-2020 2017201820192020
- GMC Sierra 2500 2017-2020 2017201820192020
- Chevrolet Silverado 3500 2017-2019 201720182019
- GMC Sierra 3500 2017-2019 201720182019
- GMC Sierra Denali 2017-2018 20172018
- Chevrolet Silverado 5500 2019-2020 20192020
- Chevrolet Silverado 4500 2019-2020 20192020
- Chevrolet Silverado 6500 2019 2019
- Chevrolet 6500 2019 2019
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