P04C3
Fuel Fill Door Lock Position Sensor/Switch Circuit
P04C3 is an OBD-II diagnostic trouble code meaning: Fuel Fill Door Lock Position Sensor/Switch Circuit. Common causes: open or short circuit in the sensor circuit, lock position sensor malfunction. Estimated repair cost: $22–56.
Symptoms
- Check Engine Light Is On
- Problems with opening/closing the fuel filler flap
- Errors in the EVAP system
Causes
- Open or short circuit in the sensor circuit
- Lock position sensor malfunction
- Wiring harness damage
- Contact corrosion
- Problems with the control unit (ECU)
How to Fix
- Check the integrity of the wiring harness and contacts
- Check the resistance of the lock position sensor
- Replace sensor if necessary
- Clean contacts from corrosion
- Check the operation of the EVAP system
Related codes
Error P04C3 by Vehicle Brand
FAQ
What does the P04C3 code mean?
P04C3 is an OBD-II diagnostic trouble code that indicates: Fuel Fill Door Lock Position Sensor/Switch Circuit
What causes a P04C3 error code?
The most common causes of P04C3 include: Open or short circuit in the sensor circuit; Lock position sensor malfunction; Wiring harness damage; Contact corrosion.
How do I fix a P04C3 diagnostic trouble code?
To fix P04C3: Check the integrity of the wiring harness and contacts. Check the resistance of the lock position sensor. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P04C3?
Limited driving only, diagnose soon
How much does it cost to fix P04C3?
The estimated repair cost for P04C3 is $22–56. Actual cost depends on your vehicle, location, and labor rates.
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