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TuningBot DTC Database · v4.37.15

P1154 Kia - Heated oxygen sensor (HO2S) - front, bank 2 - signal malfunction

Manufacturer-specific interpretation for Kia. All interpretations of P1154

P · PowertrainEmissionsOBD2

What P1154 means

P1154
Heated oxygen sensor (HO2S) - front, bank 2 - signal malfunction Kia · emissions Data confidence 62%

The control module detected improper operation of the Heated oxygen sensor (HO2S) - front, bank 2. This is the manufacturer-specific definition used by Kia.

Possible causes

  • HO2S
  • ECM

Related and nearby codes

How to read P1154

P

Powertrain: engine, transmission and driveline systems.

1

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

154

Specific fault index within the subsystem.

Frequently asked questions about P1154

What does P1154 mean?

Heated oxygen sensor (HO2S) - front, bank 2 - signal malfunction. The control module detected improper operation of the Heated oxygen sensor (HO2S) - front, bank 2. This is the manufacturer-specific definition used by Kia.

Is P1154 generic or manufacturer-specific?

P1154 is a manufacturer-specific code. In this database it is documented for: Kia. The same number can mean something different on other brands.

Can TuningBot remove P1154 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 Kia engines See the results →

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