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TuningBot DTC Database · v4.37.14

P22CB Turbocharger Compressor Outlet Switching Valve Control Circuit Low

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

P · PowertrainEngineOBD2

What P22CB means

P22CB
Turbocharger Compressor Outlet Switching Valve Control Circuit Low Generic · engine Data confidence 65%

The control module detected that the signal in the Turbocharger Compressor Outlet Switching Valve Control circuit stayed below the expected operating range.

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 P22CB

P

Powertrain: engine, transmission and driveline systems.

2

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

2CB

Specific fault index within the subsystem.

Frequently asked questions about P22CB

What does P22CB mean?

Turbocharger Compressor Outlet Switching Valve Control Circuit Low. The control module detected that the signal in the Turbocharger Compressor Outlet Switching Valve Control circuit stayed below the expected operating range.

Is P22CB generic or manufacturer-specific?

P22CB is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P22CB at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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 →

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