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TuningBot DTC Database · v4.37.15

P1141 Mazda - Heated oxygen sensor (HO2S) 2, bank 1, heater control - circuit low

Manufacturer-specific interpretation for Mazda. All interpretations of P1141

P · PowertrainEmissionsOBD2

What P1141 means

P1141
Heated oxygen sensor (HO2S) 2, bank 1, heater control - circuit low Mazda · emissions Data confidence 80%

The control module detected that the signal in the Heated oxygen sensor (HO2S) 2, bank 1, heater control circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Mazda.

Possible causes

  • Wiring
  • HO2S
  • ECM

Related and nearby codes

How to read P1141

P

Powertrain: engine, transmission and driveline systems.

1

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

141

Specific fault index within the subsystem.

Frequently asked questions about P1141

What does P1141 mean?

Heated oxygen sensor (HO2S) 2, bank 1, heater control - circuit low. The control module detected that the signal in the Heated oxygen sensor (HO2S) 2, bank 1, heater control circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Mazda.

Is P1141 generic or manufacturer-specific?

P1141 is a manufacturer-specific code. In this database it is documented for: Mazda. The same number can mean something different on other brands.

Can TuningBot remove P1141 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 Mazda engines See the results →

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