Powertrain
generic / SAE
P0A2A
Drive Motor A Temperature Sensor Circuit
Electrical fault on the temperature sensor inside drive motor A windings. The sensor is used to derate motor torque when winding temperature approaches the insulation limit.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 2A
Possible causes
- Sensor failed high
- Wiring fault medium
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: 500–3500 €
- Estimated time: 2–10 h
- Component: drive motor a
- Component: motor temperature sensor
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012