P0AF4
Drive Motor Inverter Temperature Sensor B Circuit Low
P0AF4 is an OBD-II diagnostic trouble code meaning: Drive Motor Inverter Temperature Sensor B Circuit Low. Common causes: inverter temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Reduced motor power
- Limitation of hybrid system operation
- Inverter overheating
- Incorrect temperature readings in diagnostics
Causes
- Inverter temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in connectors
- Wiring Harness Problems
- Control unit malfunction
How to Fix
- Check the integrity of the sensor circuit
- Check contacts in connectors
- Measure sensor resistance
- Check the sensor signal with an oscilloscope
- Replace temperature sensor if necessary
Related codes
Error P0AF4 by Vehicle Brand
FAQ
What does the P0AF4 code mean?
P0AF4 is an OBD-II diagnostic trouble code that indicates: Drive Motor Inverter Temperature Sensor B Circuit Low
What causes a P0AF4 error code?
The most common causes of P0AF4 include: Inverter temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in connectors; Wiring Harness Problems.
How do I fix a P0AF4 diagnostic trouble code?
To fix P0AF4: Check the integrity of the sensor circuit. Check contacts in connectors. Measure sensor resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0AF4?
Limited driving only, diagnose soon
How much does it cost to fix P0AF4?
The estimated repair cost for P0AF4 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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