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TuningBot DTC Database · v4.37.15

P1281 Nissan - Heated oxygen sensor (HO2S), bank 2 - voltage low

Manufacturer-specific interpretation for Nissan. All interpretations of P1281

P · PowertrainEmissionsOBD2

What P1281 means

P1281
Heated oxygen sensor (HO2S), bank 2 - voltage low Nissan · emissions Data confidence 62%

The control module detected that the Heated oxygen sensor (HO2S), bank 2 voltage stayed below the expected range. This is the manufacturer-specific definition used by Nissan.

Possible causes

  • Wiring
  • H025

Related and nearby codes

How to read P1281

P

Powertrain: engine, transmission and driveline systems.

1

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

281

Specific fault index within the subsystem.

Frequently asked questions about P1281

What does P1281 mean?

Heated oxygen sensor (HO2S), bank 2 - voltage low. The control module detected that the Heated oxygen sensor (HO2S), bank 2 voltage stayed below the expected range. This is the manufacturer-specific definition used by Nissan.

Is P1281 generic or manufacturer-specific?

P1281 is a manufacturer-specific code. In this database it is documented for: Nissan. The same number can mean something different on other brands.

Can TuningBot remove P1281 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 Nissan engines See the results →

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