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P25A4
Fuel Mode Select Switch Circuit
Generic · engine
Data confidence
65%
The control module detected improper operation of the Fuel Mode Select Switch circuit.
TuningBot DTC Database · v4.37.15
P25A4 Fuel Mode Select Switch Circuit
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P25A4 means
Related and nearby codes
How to read P25A4
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
5A4
Specific fault index within the subsystem.
Frequently asked questions about P25A4
What does P25A4 mean?
Fuel Mode Select Switch Circuit. The control module detected improper operation of the Fuel Mode Select Switch circuit.
Is P25A4 generic or manufacturer-specific?
P25A4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P25A4 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