P04C4
Fuel Fill Door Lock Position Sensor/Switch Circuit Range/Performance
P04C4 is an OBD-II diagnostic trouble code meaning: Fuel Fill Door Lock Position Sensor/Switch Circuit Range/Performance. Common causes: malfunction of the fuel tank flap position sensor, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.
Symptoms
- Check Engine Light Is On
- Problems with opening/closing the fuel filler flap
- EVAP system errors
Causes
- Malfunction of the fuel tank flap position sensor
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Engine control unit malfunction
How to Fix
- Check the continuity of the sensor circuit (wire harness)
- Clean or replace sensor connector if necessary
- Check sensor resistance (according to manufacturer's specifications)
- Replace the sensor if it is faulty
- Reset the error and check if it returns
Related codes
Error P04C4 by Vehicle Brand
FAQ
What does the P04C4 code mean?
P04C4 is an OBD-II diagnostic trouble code that indicates: Fuel Fill Door Lock Position Sensor/Switch Circuit Range/Performance
What causes a P04C4 error code?
The most common causes of P04C4 include: Malfunction of the fuel tank flap position sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Engine control unit malfunction.
How do I fix a P04C4 diagnostic trouble code?
To fix P04C4: Check the continuity of the sensor circuit (wire harness). Clean or replace sensor connector if necessary. Check sensor resistance (according to manufacturer's specifications). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P04C4?
Yes, but get it checked soon
How much does it cost to fix P04C4?
The estimated repair cost for P04C4 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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