sct issue

good morning guys! this is my first post on here! :) so i recently got a custom tune from my tuner and I have a question! i noticed after the tune (stock car just #47 injectors for e85 and a catback exhaust) after installing the tune my car no longer has any engine braking I mean when i shift to...

Alright guys, I've been fighting this issue for awhile now on my 99 Cobra where my SCT X4 tuner keeps disconnecting after about 2 seconds of showing me live data. After It shows an error message that reads: "Communication error - Check ignition key" and I cant understand why. Anyone else go...