Did you tune the TCM? Becuase that's where those options are.

Same thing happened to me when I tried to write my truck. Did you send in an email to Tech Support?

I wish you guys would do something either than waste my time.

Bump. This company is a joke

Bump.

If I don't get some answers soon I am going to sell this unit and buy from another company.

So I had a 2011 sierra 5.3L and had it tuned for over a year with the same unit. Traded that truck in for a 2014 Silverado 5.3L.

I updated the tuner and then went to install. Initial startup stopped at about 67% and a Failed message popped up.

Unplugged it and then plugged it back in. Initial ...

So I had a 2011 sierra 5.3L and had it tuned for over a year with the same unit. Traded that truck in for a 2014 Silverado 5.3L.

I updated the tuner and then went to install. Initial startup stopped at about 67% and a Failed message popped up.

Unplugged it and then plugged it back in. Initial ...

Yes I have the tire size adjusted. I will look into Torque converters thanks! Also...since I live in Canada the price of a gear swap is VERY steep and, although I do most of my own work, I dont think I want to mess with that myself. Also I would probably go with 4.11s and a slightly bigger tire if I ...

Hey guys. I have a lifted 2011 sierra all terrain. Went up to 33 inch tires and noticed it affected the performance. So I bought the Diablo InTune. Great little unit. Easy to use and I definitely noticed my truck had more get up and go. Only problem is this damn Drive by wire crap. I was hoping that ...