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Home >> Dodge and Ram >> 2012 >> Journey SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (3.6L - DTCS P0160 To P0480) >> Diagnosis And Testing >> P0456-EVAP Purge System Small Leak >> Set Condition:

Set Condition:

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As temperatures change, a vacuum is created in the fuel tank and Evaporative System. With the Evaporative System sealed, the Powertrain Control Module (PCM) monitors the Evaporative System Integrity Monitor (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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