P04CC

Fuel Fill Door Open Request Sensor/Switch Circuit Intermittent/Erratic

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–56 (est.)

Symptoms

Check Engine Light Is On
Problems with refueling (the hatch may not open automatically)
Possible errors related to the EVAP system

Causes

Malfunction of the sunroof opening request sensor/switch
Open or short circuit in wiring harness
Poor contact in connectors
Problems with the sunroof control module

How to Fix

Check the sunroof request sensor/switch for damage.
Inspect the wiring harness and connectors for damage or corrosion.
Check the resistance and voltage in the sensor circuit
Replace sensor or switch if necessary
Clean or replace connectors if corroded

Related codes

P0442 P0455 P0456