This software update includes the following, if your vehicle is equipped: • Improvements to vehicle...
Chevrolet technical service bulletin 652.20 for 2024-2025 Chevrolet Silverado EV and 2024-2025 GMC Sierra EV.
- Bulletin number
- 652.20 (652.20)
- Component
- Unknown or other
- Summary
- This software update includes the following, if your vehicle is equipped: • Improvements to vehicle diagnostics • Fixes to preserve battery life and improve charging • Fixes to address issues with shifting • Fixes for vehicle airflow in icy conditions • Improvements to HVAC compressor performance During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
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