Powertrain
generic / SAE
P0A2C
Drive Motor A Temperature Sensor Circuit Low
Voltage at motor A temperature sensor below threshold, suggesting short to ground. 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 / numberA / 2C
Possible causes
- Short to ground high
- Connector pins corroded - high contact resistance low
- Harness chafing through insulation low
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Inspection / repair
- Difficulty: shop only
- DIY: shop recommended
- Estimated cost: 500–3000 €
- Estimated time: 2–8 h
- Component: drive motor a
- Component: motor temperature sensor
- MIL / check engine light
Sources
References
sae:J2012