Why is your door open when you are doing this?
I believe you turn everything off and sit in the car
door closed after plugging in to the OBDll connector.

Try that

Dan

I will be putting my first tune in my 2103 Avalanche tomorrow am, and will
want the firm setting for shifting, and if there is delay I want to be able to
quicken the shifts by increasing line pressure.
I've read all the posts I can find about changing the pressure to modify
shift quickness, going ...

Got my inTune about a week ago, I updated it last week and haven't hooked it
up to my 2013 Avalanche yet. I see many people had them lock up lately and I
don't want any trouble. If this 1r03h version has bugs, I will wait for an update.
According to this thread, Diablo was working on it, but I never ...