P01AF
Alternative Fuel Tank A Level Sensor Circuit
P01AF is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank A Level Sensor Circuit. Common causes: open or short circuit in the sensor circuit, fuel level sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Incorrect fuel level display
- Check Engine Light Is On
- Problems starting the engine
- Unstable engine operation
Causes
- Open or short circuit in the sensor circuit
- Fuel level sensor malfunction
- Wiring harness damage
- Connector problems or contact corrosion
- Engine control unit malfunction
How to Fix
- Check the continuity of the fuel level sensor circuit
- Inspect the wiring harness for damage
- Check connectors and contacts for corrosion
- Test the fuel level sensor
- If necessary, replace the sensor or wiring harness
- Reset the error and check if it returns
Related codes
Error P01AF by Vehicle Brand
FAQ
What does the P01AF code mean?
P01AF is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank A Level Sensor Circuit
What causes a P01AF error code?
The most common causes of P01AF include: Open or short circuit in the sensor circuit; Fuel level sensor malfunction; Wiring harness damage; Connector problems or contact corrosion.
How do I fix a P01AF diagnostic trouble code?
To fix P01AF: Check the continuity of the fuel level sensor circuit. Inspect the wiring harness for damage. Check connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P01AF?
Limited driving only, diagnose soon
How much does it cost to fix P01AF?
The estimated repair cost for P01AF is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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