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TuningBot DTC Database · v4.37.15

P1105 Diagnostic Trouble Code (12 interpretations)

12 manufacturer-specific interpretations across 12 manufacturers in the TuningBot DTC database.

BMW

1 interpretation
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

Chevrolet

1 interpretation
P1105
Secondary Vacuum Sensor Circuit Chevrolet · engine Data confidence 80%

The control module detected improper operation of the Secondary Vacuum circuit. This is the manufacturer-specific definition used by Chevrolet.

Ford

1 interpretation
P1105
Dual alternator upper - malfunction Ford · battery Data confidence 80%

The control module detected improper operation of the Dual alternator upper. This is the manufacturer-specific definition used by Ford.

Possible causes

  • Wiring
  • alternator
  • ECM

Hyundai

1 interpretation
P1105
Air Flow Sensor - Abnormal Hyundai · engine Data confidence 62%

The control module registered the fault condition described as "Air Flow Sensor - Abnormal". This is the manufacturer-specific definition used by Hyundai.

Jeep

1 interpretation
P1105
Open Or Shorted Condition Detected In The Baro Read Solenoid Control Circuit Jeep · engine Data confidence 62%

The control module detected improper operation of the Open Or Shorted Condition Detected In The Baro Read Solenoid Control circuit. This is the manufacturer-specific definition used by Jeep.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Confirm the exact vehicle, ECU and software context
  • Inspect relevant wiring and connectors
  • Check applicable OEM service information

Kia

1 interpretation
P1105
HO2S12 Heater Circuit High Voltage Kia · engine Data confidence 62%

The control module detected that the signal in the HO2S12 Heater circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Kia.

Mercedes-Benz

1 interpretation
P1105
Atmospheric Pressure Sensor In Control Module Mercedes-Benz · engine Data confidence 62%

The control module detected a fault associated with the Atmospheric Pressure Sensor In Control Module circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mercedes-Benz.

MINI

1 interpretation
P1105
Differential Pressure Sensor Intake Manifold Plausibility MINI · emissions Data confidence 62%

The control module detected that related sensor signals for Differential Pressure Sensor Intake Manifold did not agree with each other (correlation/plausibility fault). This is the manufacturer-specific definition used by MINI.

Mitsubishi

1 interpretation
P1105
Fuel pressure regulator control solenoid - malfunction Mitsubishi · fuel Data confidence 80%

The control module detected improper operation of the Fuel pressure regulator control solenoid. This is the manufacturer-specific definition used by Mitsubishi.

Possible causes

  • Wiring
  • pressure regulator control solenoid
  • ECM

Opel

1 interpretation
P1105
Barometric pressure (BARO) sensor - circuit malfunction Opel · engine Data confidence 62%

The control module detected improper operation of the Barometric pressure (BARO) circuit. This is the manufacturer-specific definition used by Opel.

Porsche

1 interpretation
P1105
Oxygen Sensor Heating Porsche · emissions Data confidence 62%

The control module detected a fault associated with the Oxygen Sensor Heating circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.

VAG

1 interpretation
P1105
Heated oxygen sensor (HO2S) 2, Bank 1 - heater short to positive VAG · emissions Data confidence 62%

The control module detected a short circuit to battery voltage in the Heated oxygen sensor (HO2S) 2, Bank 1 - heater circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to positive
  • HO2S
Applies to Audi

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?

Diagnostic Trouble Code (12 interpretations). 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, Chevrolet, Ford, Hyundai, Jeep, Kia, Mercedes-Benz, MINI, Mitsubishi, Opel, Porsche, VAG. 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 tuningDyno-tested results by model and engine See the results →

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