Unknown or other
GMC technical service bulletin PIT6433 for 2026 GMC Hummer EV SUV and 2026 GMC Hummer EV Pickup.
- Bulletin number
- PIT6433
- Component
- Unknown or other
- Summary
- This Preliminary information communicates to the field on a unwanted history DTC that is setting due to a software anomaly.
Vehicles covered
- GMC Hummer EV SUV 2026 2026
- GMC Hummer EV Pickup 2026 2026
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