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TuningBot DTC Database · v4.37.15

P1118 Chevrolet - Engine Coolant Temp. Signal Out - Of - Range High

Manufacturer-specific interpretation for Chevrolet. All interpretations of P1118

P · PowertrainEngineOBD2

What P1118 means

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.

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?

Engine Coolant Temp. Signal Out - Of - Range High. 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. 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

ECU tuningStage 1 dyno results for Chevrolet engines See the results →

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