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Home >> Jeep >> 2012 >> Liberty Limited Jet, 4WD, Part Time >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Electronic Control Modules (Service Information) >> Module, Final Drive Control >> Operation >> Operation >> Power Up/Down

Power Up/Down

The Final Drive Control Module (FDCM) will power up with an OFF/ON transition of the hard wired ignition switch input.

The FDCM will power down when the vehicle ignition switch transitions from ON to OFF or there are no system requirements that dictate the controller to remain active