This technical bulletin provides repair information to correct a customer concern of MIL L5P ECM/TCM...
Chevrolet technical service bulletin 22-NA-201 for 2020-2021 Chevrolet Silverado 2500, 2020-2021 GMC Sierra 2500 and 2020-2021 Chevrolet Silverado 3500 and others.
- Bulletin number
- 22-NA-201
- Component
- Engine and engine cooling
- Summary
- This technical bulletin provides repair information to correct a customer concern of MIL L5P ECM/TCM Update with DTCs Set.
Owners of these vehicles have filed 62 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 2500 2020-2021 20202021
- GMC Sierra 2500 2020-2021 20202021
- Chevrolet Silverado 3500 2020-2021 20202021
- GMC Sierra 3500 2020-2021 20202021
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