OBD-II code · Powertrain (generic)
P0A52 Drive Motor A Current Sensor Circuit Range/Performance
The current sensor of the drive motor A reports a circuit range/performance fault. Current measurement is unreliable.
Is it safe to drive with P0A52?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyCurrent sensor offset drifted
- PossibleMagnetic offset from nearby parts
- Less likelySensor element aged beyond calibration window
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
- 2–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor A Current Sensor, Wiring Harness, Hybrid Control Module
Related codes
- P0A56Drive Motor B Current Sensor Circuit Range/Performance
- P0A4FGenerator Position Sensor Circuit Intermittent
- P0A50Generator Position Sensor Circuit Overspeed
- P0A51Drive Motor A Current Sensor Circuit
- P0A53Drive Motor A Current Sensor Circuit Low
- P0A54Drive Motor A Current Sensor Circuit High
- P0A55Drive Motor B Current Sensor Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.