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P04B6
Fuel Fill Door Stuck Closed
Generic · body
Data confidence
65%
The control module determined that the Fuel Fill Door did not change state as commanded and appears stuck.
TuningBot DTC Database · v4.37.15
P04B6 Fuel Fill Door Stuck Closed
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P04B6 means
Related and nearby codes
How to read P04B6
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
4B6
Specific fault index within the subsystem.
Frequently asked questions about P04B6
What does P04B6 mean?
Fuel Fill Door Stuck Closed. The control module determined that the Fuel Fill Door did not change state as commanded and appears stuck.
Is P04B6 generic or manufacturer-specific?
P04B6 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P04B6 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