OBD-II code · Powertrain (generic)
P0C04 Drive Motor B Current High
The total current draw of drive motor B reports a current high fault. Motor operation may be impaired.
Is it safe to drive with P0C04?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyMotor overload
- PossibleShort between motor phases
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 B, Drive Motor B Inverter
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.