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TuningBot DTC Database · v4.37.15

P0179 Fuel Composition Sensor Circuit High Input

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainFuelOBD2

What P0179 means

P0179
Fuel Composition Sensor Circuit High Input Generic · fuel Data confidence 90%

The control module detected that the signal in the Fuel Composition circuit stayed above the expected operating range.

Possible causes

  • Wiring short to positive
  • fuel composition sensor
  • ECM

Related and nearby codes

How to read P0179

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

179

Specific fault index within the subsystem.

Frequently asked questions about P0179

What does P0179 mean?

Fuel Composition Sensor Circuit High Input. The control module detected that the signal in the Fuel Composition circuit stayed above the expected operating range.

Is P0179 generic or manufacturer-specific?

P0179 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0179 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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