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TuningBot DTC Database · v4.37.14

P0492 Secondary Air Injection System Insufficient Flow Bank 2

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

P · PowertrainEmissionsOBD2

What P0492 means

P0492
Secondary Air Injection System Insufficient Flow Bank 2 Generic · emissions Data confidence 90%

The control module detected that the measured Secondary Air Injection System flow was lower than the value expected while operation was commanded.

Possible causes

  • Wiring
  • AIR solenoid
  • hose connections
  • mechanical fault

Related and nearby codes

How to read P0492

P

Powertrain: engine, transmission and driveline systems.

0

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

492

Specific fault index within the subsystem.

Frequently asked questions about P0492

What does P0492 mean?

Secondary Air Injection System Insufficient Flow Bank 2. The control module detected that the measured Secondary Air Injection System flow was lower than the value expected while operation was commanded.

Is P0492 generic or manufacturer-specific?

P0492 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0492 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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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