Hey there,
Warning, i'm a beginner at this so keep that in mind.
First attempt was to decode the CAN and work with someone to build a controller to control this unit, that became near impossible so i went with what i thought i could do.
Wired in (yes its ulgy for now) a 75200 pro, and behold its working! Not great, but for having less then an hour into this its a good start.
Problems im currently having is max speed, speed variation etc.
Feel free to chime in, chastise me, etc