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TuningBot DTC Database · v4.37.15

P2220 Nitrogen oxides (NOx) sensor, bank 2, heater control - circuit high

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

P · PowertrainEngineOBD2

What P2220 means

P2220
Nitrogen oxides (NOx) sensor, bank 2, heater control - circuit high Generic · engine Data confidence 78%

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

Possible causes

  • Wiring short to positive
  • NOx sensor

Related and nearby codes

How to read P2220

P

Powertrain: engine, transmission and driveline systems.

2

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

220

Specific fault index within the subsystem.

Frequently asked questions about P2220

What does P2220 mean?

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

Is P2220 generic or manufacturer-specific?

P2220 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2220 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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