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TuningBot DTC Database · v4.37.15

P3155 Dodge - Intake air temperature (IAT) sensor - signal low

Manufacturer-specific interpretation for Dodge. All interpretations of P3155

P · PowertrainEngineOBD2

What P3155 means

P3155
Intake air temperature (IAT) sensor - signal low Dodge · engine Data confidence 62%

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

Possible causes

  • Wiring
  • connectors
  • IAT sensor
  • ECM

Related and nearby codes

How to read P3155

P

Powertrain: engine, transmission and driveline systems.

3

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

155

Specific fault index within the subsystem.

Frequently asked questions about P3155

What does P3155 mean?

Intake air temperature (IAT) sensor - signal low. The control module detected that the Intake air temperature (IAT) signal stayed below the expected range. This is the manufacturer-specific definition used by Dodge.

Is P3155 generic or manufacturer-specific?

P3155 is a manufacturer-specific code. In this database it is documented for: Dodge. The same number can mean something different on other brands.

Can TuningBot remove P3155 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 Dodge engines See the results →

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