Software Update for your Model Year 2024 GMC HUMMER EV if your vehicle is equipped: •Improvements to...
GMC technical service bulletin 653.20 for 2024 GMC Hummer EV SUV and 2024 GMC Hummer EV Pickup.
- Bulletin number
- 653.20 (653.20)
- Component
- Unknown or other
- Summary
- Software Update for your Model Year 2024 GMC HUMMER EV if your vehicle is equipped: •Improvements to leveling corrections. •Improvements to the performance of One-Pedal Driving. •Fixes to help maintain Electronic Stability Control and One-Pedal Driving availability after a vehicle software update. •Improvements to the power swing gate. •iPhone charging 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 SUV 2024 2024
- GMC Hummer EV Pickup 2024 2024
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