What does code P22F5 mean?

Q: What does code P22F5 mean?

Cylinder 8 Alternative Fuel Injector Control Circuit/Open. P22F5 is a generic OBD-II code indicating that the powertrain control module (PCM) has detected an open circuit or excessive resistance in the control circuit for cylinder 8's alternative fuel injector. The PCM commands the injector to fire, but the expected electrical response is missing, so it flags the circuit as open.

DTC codes / P22xx · Fuel and air metering (injector circuits) / P22F5

P22F5Cylinder 8 Alternative Fuel Injector Control Circuit/Open

P22F5 is a generic OBD-II code indicating that the powertrain control module (PCM) has detected an open circuit or excessive resistance in the control circuit for cylinder 8's alternative fuel injector. The PCM commands the injector to fire, but the expected electrical response is missing, so it flags the circuit as open.

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.