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TuningBot DTC Database · v4.37.14

P1111 Diagnostic Trouble Code (12 interpretations)

12 manufacturer-specific interpretations across 11 manufacturers in the TuningBot DTC database.

P · PowertrainThermal_managementOBD2

BMW

1 interpretation
P1111
Engine Coolant Temperature Radiator Outlet Sensor Low Input BMW · thermal_management Data confidence 62%

The control module detected that the Engine Coolant Temperature Radiator Outlet signal stayed below the expected range. This is the manufacturer-specific definition used by BMW.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information

Chevrolet

1 interpretation
P1111
Intake air temperature (IAT) sensor - voltage high, intermittent Chevrolet · engine Data confidence 80%

The control module detected that the Intake air temperature (IAT) voltage stayed above the expected range. This is the manufacturer-specific definition used by Chevrolet.

Possible causes

  • Wiring open circuit/short to positive
  • poorconnections

Chrysler

1 interpretation
P1111
Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage Chrysler · engine Data confidence 62%

The control module detected an unstable or intermittent signal in the Intake Air Temperature (IAT) circuit. This is the manufacturer-specific definition used by Chrysler.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Inspect relevant wiring and connectors
  • Check power supplies and grounds
  • Compare commanded and measured values
  • Check applicable OEM service information

Dodge

1 interpretation
P1111
Intake Air Temperature Sensor Circuit Intermittent High Voltage Code Dodge · engine Data confidence 62%

The control module detected an unstable or intermittent signal in the Intake Air Temperature circuit. This is the manufacturer-specific definition used by Dodge.

Honda

1 interpretation
P1111
Intake air temperature (IAT) sensor - circuit/ intermittent voltage high Honda · engine Data confidence 62%

The control module detected that the Intake air temperature (IAT) sensor - circuit/ intermittent voltage stayed above the expected range. This is the manufacturer-specific definition used by Honda.

Possible causes

  • Wiring
  • IAT sensor

Kia

1 interpretation
P1111
Intake air temperature (IAT) sensor - circuit low input intermittent Kia · engine Data confidence 62%

The control module detected that the signal in the Intake air temperature (IAT) circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Kia.

Possible causes

  • Wiring
  • poor connection
  • IAT sensor
  • ECM

Nissan

1 interpretation
P1111
Camshaft position (CMP) actuator - bank 1 - malfunction Nissan · engine Data confidence 62%

The control module detected improper operation of the Camshaft position (CMP) actuator - bank 1. This is the manufacturer-specific definition used by Nissan.

Possible causes

  • Wiring
  • CMP actuator
  • ECM

Opel

1 interpretation
P1111
Intake manifold air control solenoid 2 - circuit malfunction Opel · engine Data confidence 62%

The control module detected improper operation of the Intake manifold air control solenoid 2 circuit. This is the manufacturer-specific definition used by Opel.

Suzuki

1 interpretation
P1111
Intake Air Temperature Sensor Circuit Intermittent High Voltage Suzuki · engine Data confidence 62%

The control module detected an unstable or intermittent signal in the Intake Air Temperature circuit. This is the manufacturer-specific definition used by Suzuki.

VAG

2 interpretations
P1111
Heated oxygen sensor (HO2S) control, Bank 1 - system too lean VAG · emissions Data confidence 62%

The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Heated oxygen sensor (HO2S) control, Bank 1 - system). This is the manufacturer-specific definition used by Audi.

Possible causes

  • Intake/exhaust leak
  • injector blocked
  • MAP sensor
  • MAF sensor
  • fuel pressure/ pump
  • HO2S
Applies to Audi
P1111
Heated oxygen sensor (HO2S) control, system too lean VAG · emissions Data confidence 80%

The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Heated oxygen sensor (HO2S) control, system). This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Intake/exhaust leak
  • injector blocked
  • MAF sensor
  • fuel pressure/pump
  • HO2S
Applies to Volkswagen

Volvo

1 interpretation
P1111
Outside air temperature sensor - range/performance problem Volvo · engine Data confidence 62%

The control module judged the Outside air temperature behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • poor connection
  • outside air temperature sensor

Related and nearby codes

How to read P1111

P

Powertrain: engine, transmission and driveline systems.

1

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

111

Specific fault index within the subsystem.

Frequently asked questions about P1111

What does P1111 mean?

Diagnostic Trouble Code (12 interpretations). The control module detected that the Engine Coolant Temperature Radiator Outlet signal stayed below the expected range. This is the manufacturer-specific definition used by BMW.

Is P1111 generic or manufacturer-specific?

P1111 is a manufacturer-specific code. In this database it is documented for: BMW, Chevrolet, Chrysler, Dodge, Honda, Kia, Nissan, Opel, Suzuki, VAG, Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1111 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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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