• Fixes to reduce activations of Automatic Emergency Braking Disabled light
Chevrolet technical service bulletin 661.20 for 2026 Chevrolet Tahoe, 2026 GMC Yukon and 2026 GMC Yukon XL and others.
- Bulletin number
- 661.20 (661.20)
- Component
- Unknown or other
- Summary
- • Fixes to reduce activations of Automatic Emergency Braking Disabled light. • Improvements to availability for Lane Keep Assist. • Fixes to help ensure proper functionality for Brake Assist. • Fixes for active cabin ventilation. • Improvements to the performance of vehicle software updates. • Fixes to help ensure successful vehicle software updates.
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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