Hey, all-
I am the new owner of a '16 2500 Cummins Tradesman Crew Cab Long Bed 4x4. Buddy of mine had a 3-year lease, but didn't drive it much. When he said he was turning it back in, I jumped on it. It had 22k miles on it. I got on here to learn how to use AlfaOBD and learn about my truck. I...