• Fixes to help ensure proper functionality for heating and cooling features • Improvements to night mode...
Chevrolet technical service bulletin 662.10 for 2026 Chevrolet Silverado 1500 and 2026 GMC Sierra 1500.
- Bulletin number
- 662.10 (662.10)
- Component
- Unknown or other
- Summary
- • Fixes to help ensure proper functionality for heating and cooling features • Improvements to night mode lights for shifting gears • Fixes for Daytime Running Lamps turning on when set to Off • Fixes to help prevent erroneous missing key messages on driver display • Fixes for accuracy of low tire pressure alert • Fixes for speed threshold for pedestrian alerts • Improvements to start reliability and reduced check engine light activation • Improvements to turbo system diagnostics • Improvements to reliability when extending the running boards on your vehicle
Vehicles covered
- Chevrolet Silverado 1500 2026 2026
- GMC Sierra 1500 2026 2026
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