OBD-II code · Powertrain (generic)
P0C12 Drive Motor A Inverter Phase V Over Temperature
The inverter phase V of drive motor A reports junction temperature above the protection threshold. Sustained high phase current.
Is it safe to drive with P0C12?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySustained phase overload
- PossibleLocal cooling failure
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
- 3–14 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor A Inverter Phase V
Related codes
- P0C11Drive Motor A Inverter Phase U Over Temperature
- P0C13Drive Motor A Inverter Phase W Over Temperature
- P0C14Drive Motor B Inverter Phase U Over Temperature
- P0C15Drive Motor B Inverter Phase V Over Temperature
- P0C16Drive Motor B Inverter Phase W Over Temperature
- P0C0FDrive Motor B Inverter Power Supply Circuit Low
- P0C10Drive Motor B Inverter Power Supply Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.