Powertrain
generic / SAE
P0C07
Drive Motor A Phase U-V-W Circuit High
The drive motor A phase U-V-W output reports a circuit high condition. The drive motor's position, current and temperature are watched continuously; a fault here downgrades the inverter to a safe operating point or triggers torque reduction.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberC / 07
Possible causes
- Phase wire shorted to high voltage high
- Open motor winding medium
- Connector pins corroded - high contact resistance low
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 800–5000 €
- Estimated time: 3–16 h
- Component: drive motor a phase uvw
- Component: drive motor a inverter
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012