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DTC codes / P22xx · Fuel and air metering (injector circuits) / P22CC

P22CCTurbocharger Compressor Outlet Switching Valve Control Circuit High

P22CC indicates that the powertrain control module (PCM) has detected an abnormally high voltage on the control circuit for the turbocharger compressor outlet switching valve, which is used to manage boost pressure and prevent compressor surge. The circuit is typically ground-switched, so a high voltage reading means the PCM sees an open circuit, a short to voltage, or a faulty valve that is not drawing the expected current.

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.

Running on fumes Free guides aren't free to make. Top up the tank. Any amount, one time. Fuel the Garage