OBD-II code · Powertrain (generic)
P0C79 Drive Motor A Inverter Voltage Too High
The drive motor A inverter DC-link voltage exceeds the protection threshold. Regenerative braking overshoot or BMS regulation fault.
Is it safe to drive with P0C79?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyRegenerative braking overshoot
- PossibleBMS regulation outside calibration
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–12 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor A Inverter, Dc Link Capacitor
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.