unfortunately i do not

it was a refurb unit i bought from your ebay store

not that i am aware, i bought it off the original owner and i had all the paperwork and no mention of a tune

Hi guys i have 2016 Silverado 1500 5.3 V8 running T2 just purchased it and installed and when i try to load a tune it says "an error has occurred failed to read vehciles factory data , press continue to reset device" which i have done multiple time and still doesnt work. I had download the updated ...