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TuningBot DTC Database · v4.37.15

P155A VVT control circuit, bank 1 - circuit malfunction

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:BMW

BMW

1 interpretation
P155A
VVT control circuit, bank 1 - circuit malfunction BMW · engine Data confidence 62%

The control module detected improper operation of the VVT control circuit, bank 1 circuit. This is the manufacturer-specific definition used by BMW.

Possible causes

  • Wiring
  • connections
  • WT control module

Related and nearby codes

How to read P155A

P

Powertrain: engine, transmission and driveline systems.

1

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

55A

Specific fault index within the subsystem.

Frequently asked questions about P155A

What does P155A mean?

VVT control circuit, bank 1 - circuit malfunction. The control module detected improper operation of the VVT control circuit, bank 1 circuit. This is the manufacturer-specific definition used by BMW.

Is P155A generic or manufacturer-specific?

P155A 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 P155A 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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