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TuningBot DTC Database · v4.38.5

P2374 Turbocharger/Supercharger Inlet Pressure Sensor B Circuit

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

P · PowertrainEngineOBD2

What P2374 means

P2374
Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Generic · engine Data confidence 65%

The control module detected improper operation of the Turbocharger/Supercharger Inlet Pressure Sensor B circuit.

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

P23 range
P2300P2301P2302P2303P2304P2305P2306P2307P2308P2309P230AP230BP230CP230DP230EP230FP2310P2311

How to read P2374

P

Powertrain: engine, transmission and driveline systems.

2

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

374

Specific fault index within the subsystem.

Frequently asked questions about P2374

What does P2374 mean?

Turbocharger/Supercharger Inlet Pressure Sensor B Circuit. The control module detected improper operation of the Turbocharger/Supercharger Inlet Pressure Sensor B circuit.

Is P2374 generic or manufacturer-specific?

P2374 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2374 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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