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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 >> P0456-EVAP System Small Leak >> 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.

As temperatures change, a vacuum is created in the fuel tank and Evap system. With the Evap system sealed, the Powertrain Control Module (PCM) monitors the ESIM switch. If the ESIM switch does not close within a calibrated time, an error is detected by the PCM. One Trip Fault. Three good trips to turn off the MIL.

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