This gearbox is also used in the Navara pickup, EX37, Infiniti G37 and the FX50 V8 has the high-torque version JR711E
https://www.hgmelectronics.com/compushift-sport-and-pro/ has a standalone controller which supports 7-speed autos (although none are listed), several 6-speeds are listed with Toyoda 8-speed tune "coming soon" ...