I updated the tuner and it still acts like it will restore the original tune, then gives me the vehicle not supported message.

I have had my 2011 Silverado In MPG booster for awhile and have seen great results, but i went to change the tune so that I could better pull the trailer I had and upon plugging in the I1000, I was shown the message, "vehicle not supported, no backup found". I know the tuner is still married to my ...