This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine...
Chevrolet technical service bulletin 21NA056 for 2019-2021 Chevrolet Silverado 1500, 2019-2021 GMC Sierra 1500 and 2020-2021 Chevrolet Silverado 2500 and others.
- Bulletin number
- 21NA056
- Component
- Engine and engine cooling
- Summary
- This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine Shuts Off After 30 or 60 Minutes of Idling.
Owners of these vehicles have filed 2,159 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2019-2021 201920202021
- GMC Sierra 1500 2019-2021 201920202021
- Chevrolet Silverado 2500 2020-2021 20202021
- GMC Sierra 2500 2020-2021 20202021
- Chevrolet Silverado 4500 2020 2020
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