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TuningBot DTC Database · v4.37.15

P125C Volvo - Turbocharger (TC) boost pressure sensor - signal high

Manufacturer-specific interpretation for Volvo. All interpretations of P125C

P · PowertrainEngineOBD2

What P125C means

P125C
Turbocharger (TC) boost pressure sensor - signal high Volvo · engine Data confidence 62%

The control module detected that the Turbocharger (TC) boost pressure signal stayed above the expected range. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • short to positive
  • TC boost pressure sensor

Related and nearby codes

How to read P125C

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

25C

Specific fault index within the subsystem.

Frequently asked questions about P125C

What does P125C mean?

Turbocharger (TC) boost pressure sensor - signal high. The control module detected that the Turbocharger (TC) boost pressure signal stayed above the expected range. This is the manufacturer-specific definition used by Volvo.

Is P125C generic or manufacturer-specific?

P125C is a manufacturer-specific code. In this database it is documented for: Volvo. The same number can mean something different on other brands.

Can TuningBot remove P125C 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 tuningStage 1 dyno results for Volvo engines See the results →

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