This service bulletin provides U157 software update information to correct customer concerns of radio...
Chevrolet technical service bulletin 21NA145 for 2020 Chevrolet Silverado 1500, 2020 GMC Sierra 1500 and 2020 Chevrolet Blazer and others.
- Bulletin number
- 21NA145
- Component
- Equipment adaptive/mobility
- Summary
- This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues.
Vehicles covered
- Chevrolet Silverado 1500 2020 2020
- GMC Sierra 1500 2020 2020
- Chevrolet Blazer 2020 2020
- Chevrolet Trailblazer 2021 2021
- GMC Acadia 2020 2020
- Chevrolet Traverse 2020-2021 20202021
- Chevrolet Silverado 2500 2020 2020
- Chevrolet Camaro 2020 2020
- Buick Enclave 2020-2021 20202021
- GMC Sierra 2500 2020 2020
- Chevrolet Silverado 3500 2020 2020
- GMC Sierra 3500 2020 2020
- Cadillac XT5 2020 2020
- Buick Encore GX 2020 2020
- Cadillac XT6 2020 2020
- Cadillac XT4 2020 2020
- Cadillac CT6 2020 2020
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