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Home >> Jeep >> 2007 >> Commander Overland, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Electronic Control Modules (Service Information) >> Electronic Control Modules >> Module-Final Drive Control >> Operation >> Final Drive Control Module >> Power Up/Down
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Power Up/Down

The Final Drive Control Module (FDCM) will power up with an OFF/ON transition of the hardwired ignition switch input, or with the presence of active CAN C communications.

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

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