• Fixes to help ensure proper functionality for heating and cooling features
Chevrolet technical service bulletin 661.10 for 2026 Chevrolet Tahoe, 2026 GMC Yukon and 2026 GMC Yukon XL and others.
- Bulletin number
- 661.10 (661.10)
- 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.
Vehicles covered
- Chevrolet Tahoe 2026 2026
- GMC Yukon 2026 2026
- GMC Yukon XL 2026 2026
- Cadillac Escalade 2026 2026
- Chevrolet Suburban 1500 2026 2026
- Cadillac Escalade ESV 2026 2026
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