What does code P2449 mean?

Q: What does code P2449 mean?

AIR System High Air Flow Bank 2. P2449 indicates that the powertrain control module has detected a high air flow condition in the secondary air injection system on bank 2, meaning the system is delivering more air than expected during the commanded test. The computer monitors the system's pressure and flow characteristics and sets this code when the air flow exceeds the calibrated threshold for the given operating conditions.

DTC codes / P24xx · Auxiliary emission controls / P2449

P2449AIR System High Air Flow Bank 2

P2449 indicates that the powertrain control module has detected a high air flow condition in the secondary air injection system on bank 2, meaning the system is delivering more air than expected during the commanded test. The computer monitors the system's pressure and flow characteristics and sets this code when the air flow exceeds the calibrated threshold for the given operating conditions.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaAuxiliary emission controls

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.