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TuningBot DTC Database · v4.37.15

P151B Diagnostic Trouble Code (2 interpretations)

2 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:BMWLand Rover

BMW

1 interpretation
P151B
WT control circuit - reset malfunction, bank 2 BMW · engine Data confidence 62%

The control module detected a fault associated with the WT control circuit - reset malfunction, bank 2 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.

Possible causes

  • Wiring
  • oil contamination

Land Rover

1 interpretation
P151B
Idle speed control (ISC) - rpm low Land Rover · engine Data confidence 62%

The control module detected a fault associated with the Idle speed control (ISC) - rpm low circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Land Rover.

Possible causes

  • Engine stall
  • information only
  • no action needed

Related and nearby codes

How to read P151B

P

Powertrain: engine, transmission and driveline systems.

1

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

51B

Specific fault index within the subsystem.

Frequently asked questions about P151B

What does P151B mean?

Diagnostic Trouble Code (2 interpretations). The control module detected a fault associated with the WT control circuit - reset malfunction, bank 2 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.

Is P151B generic or manufacturer-specific?

P151B is a manufacturer-specific code. In this database it is documented for: BMW, Land Rover. The same number can mean something different on other brands.

Can TuningBot remove P151B 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

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