OBD-II code · Powertrain (generic)
P0C10 Drive Motor B Inverter Power Supply Circuit High
The power supply circuit of drive motor B inverter reports a circuit high condition. Inverter operation may be impaired.
Is it safe to drive with P0C10?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyUpstream regulator overvoltage
- PossibleWire shorted to higher voltage
- Less likelyConnector pins corroded - high contact resistance
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
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor B Inverter, Wiring Harness, Hybrid Control Module
Related codes
- P0C0DDrive Motor A Inverter Power Supply Circuit High
- P0C0EDrive Motor B Inverter Power Supply Circuit/Open
- P0C0FDrive Motor B Inverter Power Supply Circuit Low
- P0C11Drive Motor A Inverter Phase U Over Temperature
- P0C12Drive Motor A Inverter Phase V Over Temperature
- P0C13Drive Motor A Inverter Phase W Over Temperature
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.