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TuningBot DTC Database · v4.37.15

P1115 Jeep - Engine coolant temperature (ECT) sensor/intake air temperature (IAT) sensor signal variation

Manufacturer-specific interpretation for Jeep. All interpretations of P1115

P · PowertrainEngineOBD2

What P1115 means

P1115
Engine coolant temperature (ECT) sensor/intake air temperature (IAT) sensor signal variation Jeep · engine Data confidence 62%

The control module detected a fault associated with the Engine coolant temperature (ECT) sensor/intake air temperature (IAT) sensor signal variation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jeep.

Possible causes

  • Wiring
  • ECT sensor
  • IAT sensor
  • ECM

Related and nearby codes

How to read P1115

P

Powertrain: engine, transmission and driveline systems.

1

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

115

Specific fault index within the subsystem.

Frequently asked questions about P1115

What does P1115 mean?

Engine coolant temperature (ECT) sensor/intake air temperature (IAT) sensor signal variation. The control module detected a fault associated with the Engine coolant temperature (ECT) sensor/intake air temperature (IAT) sensor signal variation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jeep.

Is P1115 generic or manufacturer-specific?

P1115 is a manufacturer-specific code. In this database it is documented for: Jeep. The same number can mean something different on other brands.

Can TuningBot remove P1115 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 Jeep engines See the results →

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