DTC Description / Detecting Condition / Confirmation Procedure
P0441
Refer to DTC P0441: Evaporative Emission System Incorrect Purge Flow .
P0456
Refer to DTC P0456: Evaporative Emission System Leak Detected .
P1420, P1421
Refer to DTC P1420/P1421: Evaporative Emission System Vent Valve Stuck Open/Closed .
P1422
Refer to DTC P1422: Evaporative Emission System Leak Detect Pump Stuck OFF .
P1424, P1425
Refer to DTC P1424/P1425: Evaporative Emission System Leak Detecting Pump Flow High/Low .