This service bulletin provides information on the radio software related issues to update the radio to the...
Chevrolet technical service bulletin 25-NA-121 for 2025 Chevrolet Silverado 1500, 2025 GMC Sierra 1500 and 2025 Chevrolet Silverado 2500 and others.
- Bulletin number
- 25-NA-121
- Component
- Electrical system
- Summary
- This service bulletin provides information on the radio software related issues to update the radio to the latest software version Y177.
Owners of these vehicles have filed 70 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 1500 2025 2025
- GMC Sierra 1500 2025 2025
- Chevrolet Silverado 2500 2025 2025
- GMC Sierra 2500 2025 2025
- Chevrolet Silverado 3500 2025 2025
- GMC Sierra 3500 2025 2025
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