Software Update for your 25MY GMC Hummer EV •Fixes for audio system performance
GMC technical service bulletin N25-249834 (652.40) for 2025 GMC Hummer EV Pickup.
- Bulletin number
- N25-249834 (652.40) (N25-249834 (652.40))
- Component
- Unknown or other
- Summary
- Software Update for your 25MY GMC Hummer EV •Fixes for audio system performance. •Improvements to connectivity for Bluetooth. •Fixes to help ensure successful software updates and notifications. •Fixes to address instances of inactive driver display. •Improvements to functionality for USB and steering wheel controls. •Improvements to leveling corrections. •Improvements to the performance of Super Cruise. •Improvements to the opening power of the rear power gate. •Fixes to address antilock braking system responsiveness. •Improvements to the performance of One-Pedal Driving. 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
- GMC Hummer EV Pickup 2025 2025
VIN decoder
See the problems and recalls for an exact car
Buying a used GMC Hummer EV Pickup?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history