OBD-II code · Powertrain (generic)
P0AF1 Drive Motor Inverter Temperature Sensor A Circuit Intermittent/Erratic
The ECM detects a circuit intermittent/erratic fault on the drive motor inverter temperature sensor a circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0AF1?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor connector not seated
- PossibleNoisy ground reference
- Less likelyConnector with intermittent contact under vibration
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor Inverter Temp Sensor A, Wiring Harness, Hybrid Control Module
Related codes
- P0AF6Drive Motor Inverter Temperature Sensor B Circuit Intermittent/Erratic
- P0BD5Drive Motor Inverter Temperature Sensor C Circuit Intermittent/Erratic
- P0BDADrive Motor Inverter Temperature Sensor D Circuit Intermittent/Erratic
- P0BDFDrive Motor Inverter Temperature Sensor E Circuit Intermittent/Erratic
- P0BE4Drive Motor Inverter Temperature Sensor F Circuit Intermittent/Erratic
- P0AEEDrive Motor Inverter Temperature Sensor A Circuit Range/Performance
- P0AEFDrive Motor Inverter Temperature Sensor A Circuit Low
- P0AF0Drive Motor Inverter Temperature Sensor A Circuit High
- P0AF2Drive Motor Inverter Temperature Sensor B Circuit
- P0AF3Drive Motor Inverter Temperature Sensor B Circuit Range/Performance
- P0AF4Drive Motor Inverter Temperature Sensor B Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.