What does code P2A25 mean?

Q: What does code P2A25 mean?

Alternative Fuel Tank Shutoff Valve B Control Circuit High. P2A25 indicates that the powertrain control module (PCM) has detected an abnormally high voltage on the control circuit for the alternative fuel tank shutoff valve 'B'. This valve is used to isolate the alternative fuel tank from the engine when the vehicle is running on gasoline or is shut off, and a high voltage reading suggests an open circuit, a short to voltage, or a faulty valve solenoid.

DTC codes / P2Axx · Hybrid propulsion / P2A25

P2A25Alternative Fuel Tank Shutoff Valve B Control Circuit High

P2A25 indicates that the powertrain control module (PCM) has detected an abnormally high voltage on the control circuit for the alternative fuel tank shutoff valve 'B'. This valve is used to isolate the alternative fuel tank from the engine when the vehicle is running on gasoline or is shut off, and a high voltage reading suggests an open circuit, a short to voltage, or a faulty valve solenoid.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaHybrid propulsion

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