P2449 Code Definition
P2449 AIR System High Air Flow (Bank 2)
What Does the Engine Code P2449 Mean?
Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "2" in the second position means that this is a ISO/SAE controlled OBD-II (OBD2) DTC. "4" in the third character position in a DTC indicates that the auxiliary emission controls system is experiencing a malfunction. The last two characters "49" is DTC number. OBD2 Diagnostic Trouble Code P2449 means that AIR System High Air Flow (Bank 2) has been detected.