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TuningBot DTC Database · v4.37.15

P2D23 Turbocharger Interstage Pressure Sensor A Circuit Low

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

P · PowertrainEngineOBD2

What P2D23 means

P2D23
Turbocharger Interstage Pressure Sensor A Circuit Low Generic · engine Data confidence 65%

The control module detected that the signal in the Turbocharger Interstage Pressure Sensor A 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

P2D range
P2D00P2D01P2D02P2D03P2D04P2D05P2D06P2D07P2D08P2D09P2D0AP2D0BP2D0CP2D0DP2D0EP2D0FP2D10P2D11

How to read P2D23

P

Powertrain: engine, transmission and driveline systems.

2

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

D23

Specific fault index within the subsystem.

Frequently asked questions about P2D23

What does P2D23 mean?

Turbocharger Interstage Pressure Sensor A Circuit Low. The control module detected that the signal in the Turbocharger Interstage Pressure Sensor A circuit stayed below the expected operating range.

Is P2D23 generic or manufacturer-specific?

P2D23 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2D23 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

Stage 1/2/3 TuningDPF RemovalEGR RemovalAdBlue / SCR RemovalDTC RemovalIMMO OFFSpeed Limiter (Vmax)

Understand the system behind this code: Diagnostic Strategy and DTC Logic

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