The control module judged the Fuel Fill Door Position Sensor/Switch signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
TuningBot DTC Database · v4.37.15
P04DC Fuel Fill Door Position Sensor/Switch Circuit Range/Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P04DC means
Related and nearby codes
How to read P04DC
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 P04DC
What does P04DC mean?
Fuel Fill Door Position Sensor/Switch Circuit Range/Performance. The control module judged the Fuel Fill Door Position Sensor/Switch signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
Is P04DC generic or manufacturer-specific?
P04DC is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P04DC at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. 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
