![]() The control unit is $250 on rock auto, the motor is $350. Seems you have to have a special scanner to see any codes for the 4wd system, but since I don't have any lights, I assume I don't have any codes possible. Some people said they replaced just the Control unit, some just the motor, some both, some the entire transfer case. Not sure what they are programming it for though and only saw that a couple of times for older jeeps. Also mentioned in a couple of post is the dealer has to program the control unit. I have yet to see a post pointing to this issue in a 2014 or newer WK2, mostly 2012 and older. Through research a lot of people have had the FDCM (final drive control module or Transfer Case Control Module) replaced at the dealer for this. No issues accelerating or driving at speed. I believe it feels a little resistance going forward as well and turning sharp. When reversing and turning the wheel sharp it feels like the 4wd system is dragging. ~ It happens When putting into drive or reverse ~ It happens When ignition is put to run (not cranked) 13-16 Clicks once and not again but always the same 13-16 clicks together quickly through all observations. ~ Clicks coming from Transfer Case (sounds like from the Transfer Case motor on Pass side) Through testing I observed the following. Just checking to see if anyone here has dealt with this before I go in a bit blind or give in to the dealer. ![]() I have narrowed it down to the Transfer Case, but not sure which part to focus on first. Friday when I got in the Jeep (2014 Jeep Grand Cherokee Overland 5.7l), I noticed a quick round of clicking coming from the vehicle at first I didn't notice any other things until a little more driving. ![]()
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