DTC P0457 EVAP. Emission System-Leak Detected (Tank Cap Loose/Off): DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item	Detecting Condition	Possible Cause
DTC Strategy	Fuel tank pressure behavior (large leak)	Fuel Cap ECM/PCM
Enable Conditions	Refueling > 10.0L (2.642 GAL) Vehicle speed > 30kph (18.64mph) Drive mileage > 300m (328 yd) Suspicion of large leak
Threshold Value	Pressure when the intrusive diagnosis activated > threshold f (fuel level)
Diagnostic Time
MIL ON Condition	DTC only; "CHECK FUEL CAP" lamp illuminated