P04CD
Fuel Fill Door Open Request Sensor/Switch Stuck On
P04CD is an OBD-II diagnostic trouble code meaning: Fuel Fill Door Open Request Sensor/Switch Stuck On. Common causes: fuel cap sensor malfunction, sensor circuit short circuit. Estimated repair cost: $11–56.
Symptoms
- False fuel cap warning
- Check Engine light comes on
- Problems with the EVAP system
Causes
- Fuel cap sensor malfunction
- Sensor circuit short circuit
- Wiring Harness Problems
- ECU software stuck
How to Fix
- Check the operation of the fuel tank cap
- Check the sensor and its circuit for short circuits
- Replace sensor if necessary
- Update ECU software
Related codes
Error P04CD by Vehicle Brand
FAQ
What does the P04CD code mean?
P04CD is an OBD-II diagnostic trouble code that indicates: Fuel Fill Door Open Request Sensor/Switch Stuck On
What causes a P04CD error code?
The most common causes of P04CD include: Fuel cap sensor malfunction; Sensor circuit short circuit; Wiring Harness Problems; ECU software stuck.
How do I fix a P04CD diagnostic trouble code?
To fix P04CD: Check the operation of the fuel tank cap. Check the sensor and its circuit for short circuits. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P04CD?
Limited driving only, diagnose soon
How much does it cost to fix P04CD?
The estimated repair cost for P04CD is $11–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat