• Improvements to OnStar functionality.
Chevrolet technical service bulletin N25-250552 for 2021-2022 Chevrolet Silverado 1500, 2021-2022 GMC Sierra 1500 and 2021-2022 Chevrolet Silverado 2500 and others.
- Bulletin number
- N25-250552 (N25-250552)
- Component
- Unknown or other
- Summary
- • Improvements to OnStar functionality.
Vehicles covered
- Chevrolet Silverado 1500 2021-2022 20212022
- GMC Sierra 1500 2021-2022 20212022
- Chevrolet Silverado 2500 2021-2022 20212022
- GMC Sierra 2500 2021-2022 20212022
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