The control module detected that the signal in the Alternative Fuel Disable Control circuit stayed above the expected operating range.
TuningBot DTC Database · v4.37.15
P25BF Alternative Fuel Disable Control Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P25BF means
Related and nearby codes
How to read P25BF
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 P25BF
What does P25BF mean?
Alternative Fuel Disable Control Circuit High. The control module detected that the signal in the Alternative Fuel Disable Control circuit stayed above the expected operating range.
Is P25BF generic or manufacturer-specific?
P25BF is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P25BF 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
