• Improvements to accuracy of Park Assist messaging
Chevrolet technical service bulletin 661.20 for 2024-2025 Chevrolet Silverado EV and 2024-2025 GMC Sierra EV.
- Bulletin number
- 661.20 (661.20)
- Component
- Unknown or other
- Summary
- • Improvements to accuracy of Park Assist messaging. • Fixes to improve performance of driver assistance systems and rear view camera. • Improvements to responsiveness of rear view camera. • Fixes to address Super Cruise disengaging erroneously.
Vehicles covered
- Chevrolet Silverado EV 2024-2025 20242025
- GMC Sierra EV 2024-2025 20242025
VIN decoder
See the problems and recalls for an exact car
Buying a used Chevrolet Silverado EV?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history