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DTC codes / P22xx · Fuel and air metering (injector circuits) / P22D6

P22D6Turbocharger Turbine Inlet Valve Position Sensor Circuit Low

P22D6 means the engine control module has detected a low-voltage signal from the turbocharger turbine inlet valve position sensor circuit, indicating the sensor is reporting an out-of-range low position or the circuit has excessive resistance to ground. The turbine inlet valve, often part of a variable-geometry turbocharger, controls exhaust gas flow to the turbine wheel, and the sensor provides feedback on its actual position.

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