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TuningBot DTC Database · v4.37.15

P2223 Nitrogen oxides (NOx) sensor, bank 2, heater sense circuit - circuit low

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

P · PowertrainEngineOBD2

What P2223 means

P2223
Nitrogen oxides (NOx) sensor, bank 2, heater sense circuit - circuit low Generic · engine Data confidence 78%

The control module detected that the signal in the Nitrogen oxides (NOx) sensor, bank 2, heater sense circuit stayed below the expected operating range.

Possible causes

  • Wiring short to ground
  • NOx sensor

Related and nearby codes

How to read P2223

P

Powertrain: engine, transmission and driveline systems.

2

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

223

Specific fault index within the subsystem.

Frequently asked questions about P2223

What does P2223 mean?

Nitrogen oxides (NOx) sensor, bank 2, heater sense circuit - circuit low. The control module detected that the signal in the Nitrogen oxides (NOx) sensor, bank 2, heater sense circuit stayed below the expected operating range.

Is P2223 generic or manufacturer-specific?

P2223 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2223 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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