The control module detected an interruption (open circuit) in the Fuel Fill Door Unlock Control circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.14
P04BF Fuel Fill Door Unlock Control Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P04BF means
Related and nearby codes
How to read P04BF
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P04BF
What does P04BF mean?
Fuel Fill Door Unlock Control Circuit/Open. The control module detected an interruption (open circuit) in the Fuel Fill Door Unlock Control circuit, so the expected electrical continuity was not present.
Is P04BF generic or manufacturer-specific?
P04BF is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P04BF at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
