P0AF1
Drive Motor Inverter Temperature Sensor A Circuit Intermittent/Erratic
P0AF1 is an OBD-II diagnostic trouble code meaning: Drive Motor Inverter Temperature Sensor A Circuit Intermittent/Erratic. Common causes: open or short circuit in the sensor circuit, poor contact in the sensor connector. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Reduced motor power
- Inverter overheating
- Incorrect operation of the cooling system
- Intermittent operation of the hybrid system
Causes
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Temperature sensor malfunction
- Wiring harness damage
- Problems with the inverter control unit
How to Fix
- Check the integrity of wiring and connectors
- Test the resistance of the temperature sensor
- Check the sensor signal using an oscilloscope
- Replace faulty temperature sensor
- Update the firmware of the inverter control unit
Related codes
Error P0AF1 by Vehicle Brand
FAQ
What does the P0AF1 code mean?
P0AF1 is an OBD-II diagnostic trouble code that indicates: Drive Motor Inverter Temperature Sensor A Circuit Intermittent/Erratic
What causes a P0AF1 error code?
The most common causes of P0AF1 include: Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Temperature sensor malfunction; Wiring harness damage.
How do I fix a P0AF1 diagnostic trouble code?
To fix P0AF1: Check the integrity of wiring and connectors. Test the resistance of the temperature sensor. Check the sensor signal using an oscilloscope. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0AF1?
Do not drive — repair immediately
How much does it cost to fix P0AF1?
The estimated repair cost for P0AF1 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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