Glad to report my Ultragauge (UG) MX 1.3, right out of the box would read my 2007 4Runner Limited V8 tranny temp. It was programmed by UG for the "Tundra/Tacoma" option at checkout.
I believe it can read tranny temps on any 2005+ 4Runner, as all such vehicles use CAN.
I have read that it will also work on older 4th gen as well as some 3rd gen 4Runners but in both instances the user will need to program the "M gauge" feature and input specific data (which can be found by searching this and other Toyota forums)
Overall, the MX version adds approx. 8 gauges straight from the factory. I believe owners of older UG units can upgrade to the MX version for add'l cost in certain circumstances (see UG website).
I hope this helps clarify what the UG is capable of. It's a great little product.
I believe it can read tranny temps on any 2005+ 4Runner, as all such vehicles use CAN.
I have read that it will also work on older 4th gen as well as some 3rd gen 4Runners but in both instances the user will need to program the "M gauge" feature and input specific data (which can be found by searching this and other Toyota forums)
Overall, the MX version adds approx. 8 gauges straight from the factory. I believe owners of older UG units can upgrade to the MX version for add'l cost in certain circumstances (see UG website).
I hope this helps clarify what the UG is capable of. It's a great little product.