P04BD
Fuel Fill Door Lock Control Circuit Low
P04BD is an OBD-II diagnostic trouble code meaning: Fuel Fill Door Lock Control Circuit Low. Common causes: open or short circuit in wiring harness, fuel cap lock solenoid malfunction. Estimated repair cost: $56–167.
Symptoms
- Inability to open the fuel tank cap
- Error indication on the dashboard
- Problems with the EVAP system
Causes
- Open or short circuit in wiring harness
- Fuel cap lock solenoid malfunction
- Poor contact in circuit connectors
- Engine control unit (ECU) malfunction
How to Fix
- Check the wiring harness for damage
- Check the operation of the fuel tank cap lock solenoid
- Check the contacts in the circuit connectors
- Replace solenoid or wiring harness if necessary
- Reset the error and check if it returns
Related codes
Error P04BD by Vehicle Brand
FAQ
What does the P04BD code mean?
P04BD is an OBD-II diagnostic trouble code that indicates: Fuel Fill Door Lock Control Circuit Low
What causes a P04BD error code?
The most common causes of P04BD include: Open or short circuit in wiring harness; Fuel cap lock solenoid malfunction; Poor contact in circuit connectors; Engine control unit (ECU) malfunction.
How do I fix a P04BD diagnostic trouble code?
To fix P04BD: Check the wiring harness for damage. Check the operation of the fuel tank cap lock solenoid. Check the contacts in the circuit connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P04BD?
Limited driving only, diagnose soon
How much does it cost to fix P04BD?
The estimated repair cost for P04BD is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat