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TuningBot DTC Database · v4.37.15

P1118 Diagnostic Trouble Code (12 interpretations)

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

Chevrolet

1 interpretation
P1118
Engine Coolant Temp. Signal Out - Of - Range High Chevrolet · engine Data confidence 80%

The control module detected a fault associated with the Engine Coolant Temp. Signal Out - Of - Range High circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.

Chrysler

1 interpretation
P1118
Engine Coolant Temp Signal Out - Of Range High Chrysler · engine Data confidence 62%

The control module detected a fault associated with the Engine Coolant Temp Signal Out - Of Range High circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

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

Dodge

1 interpretation
P1118
ECM - internal fault Dodge · engine Data confidence 62%

The control module registered the fault condition described as "ECM - internal fault". This is the manufacturer-specific definition used by Dodge.

Possible causes

ECM

Ford

1 interpretation
P1118
Manifold Absolute Temperature Circuit Low Input Ford · engine Data confidence 80%

The control module detected that the signal in the Manifold Absolute Temperature circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Ford.

Possible causes

  • Wiring
  • IAT sensor
  • ECM

Kia

1 interpretation
P1118
Electronic throttle system (ETS), throttle motor - malfunction Kia · engine Data confidence 62%

The control module detected improper operation of the Electronic throttle system (ETS), throttle motor. This is the manufacturer-specific definition used by Kia.

Possible causes

  • Wiring
  • throttle motor

Land Rover

1 interpretation
P1118
Radiator QUtlet engine coolant temperature (ECT) - high input Land Rover · thermal_management Data confidence 62%

The control module detected that the Radiator QUtlet engine coolant temperature (ECT) signal stayed above the expected range. This is the manufacturer-specific definition used by Land Rover.

Possible causes

  • Wiring
  • ECT sensor
  • ECM

Lexus

1 interpretation
P1118
Coolant Temperature Sensor Circuit High for Coolant Heat Storage System Lexus · engine Data confidence 62%

The control module detected that the signal in the Coolant Temperature circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Lexus.

MINI

1 interpretation
P1118
Mass Or Volume Air Flow Circuit High Input Bank 2 MINI · engine Data confidence 62%

The control module detected that the signal in the Mass Or Volume Air Flow circuit stayed above the expected operating range. This is the manufacturer-specific definition used by MINI.

Toyota

1 interpretation
P1118
Coolant Temperature Sensor Circuit High for Coolant Heat Storage System Toyota · engine Data confidence 62%

The control module detected that the signal in the Coolant Temperature circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Toyota.

VAG

2 interpretations
P1118
Heated oxygen sensor (HO2S) 2, Bank 1 - heater open circuit VAG · emissions Data confidence 62%

The control module detected an interruption (open circuit) in the Heated oxygen sensor (HO2S) 2, Bank 1 - heater circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring open circuit
  • HO2S
Applies to Audi
P1118
Oxygen (Lambda) Sensor Heating; B1 S2: Open Circuit VAG · emissions Data confidence 80%

The control module detected an interruption (open circuit) in the Oxygen (Lambda) Sensor Heating; B1 S2 circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17526. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Malfunction Indicator Light (MIL) faulty

Possible causes

  • Wiring/Connectors from/to Oxygen (Lambda) Sensor Bank 1 Sensor 2 Heating faulty
  • Oxygen (Lambda) Sensor Bank 1 Sensor 2 Heating Circuit faulty

Recommended checks

  • Check Wiring/Connectors from/to Oxygen (Lambda) Sensor Bank 1 Sensor 2 Heating
  • Check Oxygen (Lambda) Sensor Bank 1 Sensor 2 Heating Circuit
Applies to Volkswagen

Volvo

1 interpretation
P1118
Manifold absolute pressure (MAP) sensor/mass air flow (MAF) sensor, adaptation - range/performance problem, lower limit Volvo · engine Data confidence 62%

The control module judged the Manifold absolute pressure (MAP) sensor/mass air flow (MAF) sensor, adaptation behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • intake leak
  • MAF sensor
  • MAP sensor

Related and nearby codes

How to read P1118

P

Powertrain: engine, transmission and driveline systems.

1

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

118

Specific fault index within the subsystem.

Frequently asked questions about P1118

What does P1118 mean?

Diagnostic Trouble Code (12 interpretations). The control module detected a fault associated with the Engine Coolant Temp. Signal Out - Of - Range High circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.

Is P1118 generic or manufacturer-specific?

P1118 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, Dodge, Ford, Kia, Land Rover, Lexus, MINI, Toyota, VAG, Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1118 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

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