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TuningBot DTC Database · v4.38.5

P2259 Secondary air injection (AIR) system, control B - circuit low

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

P · PowertrainEmissionsOBD2

What P2259 means

P2259
Secondary air injection (AIR) system, control B - circuit low Generic · emissions Data confidence 78%

The control module detected that the signal in the Secondary air injection (AIR) system, control B circuit stayed below the expected operating range.

Possible causes

  • Wiring short to ground
  • AIR pump relay
  • AIR pump
  • AIR solenoid

Related and nearby codes

How to read P2259

P

Powertrain: engine, transmission and driveline systems.

2

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

259

Specific fault index within the subsystem.

Frequently asked questions about P2259

What does P2259 mean?

Secondary air injection (AIR) system, control B - circuit low. The control module detected that the signal in the Secondary air injection (AIR) system, control B circuit stayed below the expected operating range.

Is P2259 generic or manufacturer-specific?

P2259 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2259 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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