Originally Posted by Asur
Funny cause I have read no where that they have a tune for the 2011 and up, could be something new, but the tranny is a 6-Spd Automatic 65RFE Transmission the 545RFE is for the I think 09-11 5 speed. the 2012 got the 645rfe that is basically a 545 but shifts differently, it uses all the gears no just one for upshift and another for down shifts, So still think its not going to work on the 2012's. They may have cracked the encryption and finally released something, You should shoot them an email and ask.
Yep, just checked my window sticker and sure enough, 65RFE. I guess an e-mail is in order here. Thanks for get'n back to me here Asur.
UPDATE: Message Sent! Will keep you posted.