P04CC
Fuel Fill Door Open Request Sensor/Switch Circuit Intermittent/Erratic
Generic OBD-II
Common symptoms
What you'll notice
- Check the fuel fill door for any physical damage or obstruction.
- Inspect the fuel fill door sensor/switch for any loose connections or wiring issues.
- Test the fuel fill door sensor/switch using a multimeter to ensure it is functioning properly.
- Reset the vehicle's computer system by disconnecting the battery for a few minutes and then reconnecting it.
- Replace the fuel fill door sensor/switch if all other steps fail to resolve the issue.
Common causes
Most likely first
- Faulty fuel fill door open request sensor/switch
- Loose or damaged wiring/connectors in the fuel fill door open request sensor/switch circuit
- Corrosion or debris in the fuel fill door open request sensor/switch
- Faulty body control module (BCM) or powertrain control module (PCM)
- Electrical interference or signal disruption in the fuel fill door open request sensor/switch circuit
How to diagnose & fix
Work through it in order
- Fuel fill door fails to open or close properly
- Warning light on the dashboard indicating fuel fill door issue
- Inability to refuel the vehicle or difficulty in opening the fuel fill door
- Strange noises or vibrations when attempting to open or close the fuel fill door
- Fuel odor inside the vehicle cabin.
Read & clear P04CC yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.