• Fixes to help prevent false Service Driver Assist System messages
Chevrolet technical service bulletin N26-254904 for 2026 Chevrolet Silverado 1500 and 2026 GMC Sierra 1500.
- Bulletin number
- N26-254904 (N26-254904)
- Component
- Unknown or other
- Summary
- • Fixes to help prevent false Service Driver Assist System messages. • Improvements to connectivity for OnStar.
Vehicles covered
- Chevrolet Silverado 1500 2026 2026
- GMC Sierra 1500 2026 2026
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