What does code P25BE mean?

Q: What does code P25BE mean?

Alternative Fuel Disable Control Circuit / Open. P25BE indicates that the powertrain control module (PCM) has detected an open circuit or abnormal voltage on the control circuit for the alternative fuel disable system. This circuit is used to disable the alternative fuel system under certain conditions, such as when the vehicle is running on gasoline or when a fault is detected. The PCM sets this code when the voltage on the disable control circuit is outside the expected range, typically indicating a break in the wiring or a failed component.

DTC codes / P25xx · Vehicle speed, idle control and auxiliary inputs / P25BE

P25BEAlternative Fuel Disable Control Circuit / Open

P25BE indicates that the powertrain control module (PCM) has detected an open circuit or abnormal voltage on the control circuit for the alternative fuel disable system. This circuit is used to disable the alternative fuel system under certain conditions, such as when the vehicle is running on gasoline or when a fault is detected. The PCM sets this code when the voltage on the disable control circuit is outside the expected range, typically indicating a break in the wiring or a failed component.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaVehicle speed, idle control and auxiliary inputs

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.