545RFE Standalone Controller

I have seen it stated a few times that the 545RFE has been controlled by an early jeep or dakota/ durango TCM but never any documentations on what it actually needs to work. Does anyone have any experience with this?
What extra inputs does the TCU need. Im only seeing tps and crank position signal for certain but the Torque Power Management wire is throwing me for a loop.

There is also a SCI transmit wire but I suspect it is only an output.