• Fixes for active cabin ventilation
Chevrolet technical service bulletin 661.22 for 2025 Chevrolet Tahoe, 2025 GMC Yukon and 2025 GMC Yukon XL and others.
- Bulletin number
- 661.22 (661.22)
- Component
- Unknown or other
- Summary
- • Fixes for active cabin ventilation. • Improvements to the performance of vehicle software updates.
Vehicles covered
- Chevrolet Tahoe 2025 2025
- GMC Yukon 2025 2025
- GMC Yukon XL 2025 2025
- Cadillac Escalade 2025 2025
- Chevrolet Suburban 1500 2025 2025
- Cadillac Escalade ESV 2025 2025
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