This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
Chevrolet technical service bulletin 21NA113 for 2017-2018 Chevrolet Silverado 1500, 2017-2022 Chevrolet Silverado 2500 and 2017-2022 GMC Sierra 2500 and others.
- Bulletin number
- 21NA113
- Component
- Engine and engine cooling: engine: gasoline: turbo/supercharger
- Summary
- This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
Owners of these vehicles have filed 373 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2017-2018 20172018
- Chevrolet Silverado 2500 2017-2022 201720182019202020212022
- GMC Sierra 2500 2017-2022 201720182019202020212022
- GMC Sierra 3500 2019-2020 20192020
- GMC Sierra Denali 2017-2018 20172018
- Chevrolet 3500 2019-2020 20192020
- Chevrolet 5500HD 2020 2020
- Chevrolet Silverado 4500 2019-2022 2019202020212022
- Chevrolet Silverado 6500 2019 2019
- Chevrolet 6500 2019 2019
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