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TuningBot DTC Database · v4.37.15

P1105 BMW - Fuel pump relay - primary circuit high voltage

Manufacturer-specific interpretation for BMW. All interpretations of P1105

P · PowertrainFuelOBD2

What P1105 means

P1105
Fuel pump relay - primary circuit high voltage BMW · fuel Data confidence 62%

The control module detected that the signal in the Fuel pump relay - primary circuit stayed above the expected operating range. This is the manufacturer-specific definition used by BMW.

Possible causes

  • Wiring short to positive
  • connections

Related and nearby codes

How to read P1105

P

Powertrain: engine, transmission and driveline systems.

1

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

105

Specific fault index within the subsystem.

Frequently asked questions about P1105

What does P1105 mean?

Fuel pump relay - primary circuit high voltage. The control module detected that the signal in the Fuel pump relay - primary circuit stayed above the expected operating range. This is the manufacturer-specific definition used by BMW.

Is P1105 generic or manufacturer-specific?

P1105 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 P1105 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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