Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P22D2 Turbocharger Turbine Inlet Valve Stuck Open

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P22D2 means

P22D2
Turbocharger Turbine Inlet Valve Stuck Open Generic · engine Data confidence 65%

The control module determined that the Turbocharger Turbine Inlet Valve did not change state as commanded and appears stuck.

Symptoms

  • Possible reduced power or limp mode
  • MIL illuminated
  • Possible abnormal turbocharger noise

Possible causes

  • Turbocharger actuator or position sensor fault
  • Sticking variable geometry mechanism
  • Charge-air or vacuum leak
  • Wiring or connector fault

Recommended checks

  • Compare specified vs actual boost with live data
  • Check actuator movement over the full range
  • Check hoses and vacuum lines
  • Inspect wiring and connectors

Related and nearby codes

How to read P22D2

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

2D2

Specific fault index within the subsystem.

Frequently asked questions about P22D2

What does P22D2 mean?

Turbocharger Turbine Inlet Valve Stuck Open. The control module determined that the Turbocharger Turbine Inlet Valve did not change state as commanded and appears stuck.

Is P22D2 generic or manufacturer-specific?

P22D2 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P22D2 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database