What does code P22D2 mean?

Q: What does code P22D2 mean?

Turbocharger Turbine Inlet Valve Stuck Open. P22D2 indicates that the powertrain control module has detected a fault in the turbocharger turbine inlet valve circuit, specifically that the valve is stuck in the open position when it should be closed or modulated. The computer monitors the valve's position or the resulting boost pressure and sets this code when the actual state does not match the commanded state, often due to mechanical binding or an electrical issue.

DTC codes / P22xx · Fuel and air metering (injector circuits) / P22D2

P22D2Turbocharger Turbine Inlet Valve Stuck Open

P22D2 indicates that the powertrain control module has detected a fault in the turbocharger turbine inlet valve circuit, specifically that the valve is stuck in the open position when it should be closed or modulated. The computer monitors the valve's position or the resulting boost pressure and sets this code when the actual state does not match the commanded state, often due to mechanical binding or an electrical issue.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

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.