• Improvements to the performance of One-Pedal Driving
GMC technical service bulletin 654.20 for 2025 GMC Hummer EV SUV and 2025 GMC Hummer EV Pickup.
- Bulletin number
- 654.20 (654.20)
- Component
- Unknown or other
- Summary
- • Improvements to the performance of One-Pedal Driving. • 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.
Vehicles covered
- GMC Hummer EV SUV 2025 2025
- GMC Hummer EV Pickup 2025 2025
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