Wondering if you had a chance to consider.

tough to say, but sounds like there is something up with the tool, could be the cable, board itself, not sure...

So, let me ask ....
Can send it in and still receive a credit towards an InTune/Trinity due to the unknown nature of the problem (as I am guessing these are just recycled)?
I will ...

Negative, it won't connect under any menu. No VIN, ID's or Diagnostic.
I pulled the ID using Torque.

Vehicle - 2005 Duramax LLY, ECM ID 15228758
Predator u7185, Software Rev. 2.02, Hardware Rev. 1.01

The Predator powers up but cannot connect to the ECM ('Is Ignition On ?' message after selecting A/T).
The truck is basically stock (a couple of lighting additions), I have pulled all the recommended ...

Have you had any discussion or thoughts about offering it in the future? The LLY variable turbo and turbo brake option in a tow tune would really be nice. Perhaps a future upgrade to the current canned tunes?

Is there anybody that does custom InTune tunes for a 2005 Duramax/LLY?
It looks Diablew only does gas. I'm interested in a custom tow tune that utilizes turbo braking.