Question....I see you have the Trifecta tune. If one Was to have a tuner, from one of those companies, can't you just use their handheld device..in place of this? Or does this show more in depth of the vehicle's vitals?
I'm not too sure what information your tuner has to offer.
NOTE!!!: My friend has a tuner for his 09 1500 sierra. He used it to remove the active fuel management and a few other really small changes. When he plugged the ultra-gauge in to the truck something weird happened. When he shifted from park into reverse it sounded like a sledge hammer banging into gear in the transmission. We both looked at each other thought that was weird, then when it shifted from first to second again, sledgehammer CLUNK. We removed the tune he had, and everything was fine. Not sure what it was but I believe the ultra gauge was conflicting with the tune and affecting the shifting tables for the automatic transmission.