OBD-II code · Powertrain (generic)
P0EF3 Drive Motor C Temperature Sensor Circuit Range/Performance
The ECM detects a range/performance fault on the drive motor c temperature sensor circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0EF3?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor characteristic drifted
- PossibleSensor mounting displaced
- 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
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor C Temp Sensor, Wiring Harness, Hybrid Control Module
Related codes
- P0A31Drive Motor B Temperature Sensor Circuit Range/Performance
- P0EF0Drive Motor A Control Module Overtemperature
- P0EF1Battery Charger Coupler Unlock Disabled
- P0EF2Drive Motor C Temperature Sensor Circuit
- P0EF4Drive Motor C Temperature Sensor Circuit Low
- P0EF5Drive Motor C Temperature Sensor Circuit High
- P0EF6Drive Motor C Temperature Sensor Circuit Intermittent/Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.