What does code P224C mean?

Q: What does code P224C mean?

Alternative Fuel Tank Shutoff Valve A Control Circuit/Open. P224C indicates that the powertrain control module has detected an open circuit or abnormal voltage on the control circuit for the alternative fuel tank shutoff valve 'A'. This valve is responsible for isolating the alternative fuel tank from the engine when the vehicle is not running or when a leak is detected, and the circuit fault prevents the module from commanding the valve to open or close.

DTC codes / P22xx · Fuel and air metering (injector circuits) / P224C

P224CAlternative Fuel Tank Shutoff Valve A Control Circuit/Open

P224C indicates that the powertrain control module has detected an open circuit or abnormal voltage on the control circuit for the alternative fuel tank shutoff valve 'A'. This valve is responsible for isolating the alternative fuel tank from the engine when the vehicle is not running or when a leak is detected, and the circuit fault prevents the module from commanding the valve to open or close.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaFuel and air metering (injector circuits)

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