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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 417 (5.7L CNG - DTCS P0204 To P0606 - 2500 Hd) >> Diagnosis And Testing >> P0457-EVAP System - Loose Fuel Cap >> Set Condition

Set Condition

WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

If the PCM detects a large leak in the Evaporative System for two consecutive cold start trips after a significant fuel level change, this DTC will set. One good trip turns off the MIL.