I was able to work out a return with Autoanything. I'm curious with the growing list of unsupported features on the newer model GMC and Chevy trucks why are these even listed as supported vehicles? It would seem to me that if most of the features don't work it should not be advertised as being ...

I have been testing over the last week adjusting my tire size. I am currently running 35" tires, they measure 34.6 actual, on my 2016 GMC Sierra Denali. It seems no matter what tires size I put in either through easy tune or adjusting the tire size in advanced mode the speedometer always stays the ...

I was just curious if there was any update regarding tuning the 2016 GMC Sierra 1500 8 speed for the 6.2L? This has been my main hold up on ordering the tuner.