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TuningBot DTC Database · v4.37.15

P164C BMW - Manifold differential pressure circuit - signal high

Manufacturer-specific interpretation for BMW. All interpretations of P164C

P · PowertrainEmissionsOBD2

What P164C means

P164C
Manifold differential pressure circuit - signal high BMW · emissions Data confidence 62%

The control module detected that the Manifold differential pressure signal stayed above the expected range. This is the manufacturer-specific definition used by BMW.

Possible causes

  • Wiring short to positive
  • ECM

Related and nearby codes

How to read P164C

P

Powertrain: engine, transmission and driveline systems.

1

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

64C

Specific fault index within the subsystem.

Frequently asked questions about P164C

What does P164C mean?

Manifold differential pressure circuit - signal high. The control module detected that the Manifold differential pressure signal stayed above the expected range. This is the manufacturer-specific definition used by BMW.

Is P164C generic or manufacturer-specific?

P164C is a manufacturer-specific code. In this database it is documented for: BMW. The same number can mean something different on other brands.

Can TuningBot remove P164C 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 BMW engines See the results →

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