OBD-II code · Powertrain (generic)
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.
Is it safe to drive with P0A2A?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor failed
- PossibleWiring fault
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Repair at a glance
- Difficulty
- Shop_only
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–10 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor A, Motor Temperature Sensor, Wiring Harness
Related codes
- P0A30Drive Motor B Temperature Sensor Circuit
- P0A27Hybrid/EV Battery Power Off Circuit
- P0A28Hybrid/EV Battery Power Off Circuit Low
- P0A29Hybrid/EV Battery Power Off Circuit High
- P0A2BDrive Motor A Temperature Sensor Range/Performance
- P0A2CDrive Motor A Temperature Sensor Circuit Low
- P0A2DDrive Motor A Temperature Sensor Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.