Originally Posted by
sikkls2
Ok I know alot about these new gen GM first thing is this a motor swap or it's in a actual 2016 GM truck? Another thing from my experience I have not been able to remove the vats on a 2015 and up GM with efi live I have installed the patch changed the os on it and everything and nothing it flashes correctly and everything but no crank nothing. Then I purchased HP tuners and removed the vats and disable the starter crap then I full flashed it and the truck started like a champ.