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TuningBot DTC Database · v4.37.15

P0237 Turbocharger Boost Sensor A Circuit Low

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

P · PowertrainEngineOBD2

What P0237 means

P0237
Turbocharger Boost Sensor A Circuit Low Generic · engine Data confidence 90%

The control module detected that the signal in the Turbocharger Boost Sensor A circuit stayed below the expected operating range.

Symptoms

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

Possible causes

  • Wiring short to earth
  • MAP sensor
  • ECM

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 P0237

P

Powertrain: engine, transmission and driveline systems.

0

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

237

Specific fault index within the subsystem.

Frequently asked questions about P0237

What does P0237 mean?

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

Is P0237 generic or manufacturer-specific?

P0237 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0237 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 →

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