Quote from kojimep on June 24, 2013 Has anyone had any luck with this? As of June 2013 the gm method 1 and 2 still only read at 32F, and the "other"...
Strange thing happened to me with the ELM327. With my other dongle I can read everything to include the transmission. With the ELM327 I can read...
That is strange as I have a Chevy 6.0 express van and the transmission reads normally on GM2
And don't forget reading your transmission temp if you tow a trailer.
I use it to get better MPG. The real reason I keep it is reading my transmission temp for towing.