I figured it out. I was paying attention to the digital readout, not my actual speedo. I guess during the process of reprogramming the tire size it reset the digital speedo to kmh instead of mph. Just in case this helps someone the actual number I used was 2550 and I am 1 mph off at 60.
Hello Guys and Gals. First off I want to say I messed up in the beginning by not recording and saving my factory settings. I saw that video after all of this happened. So on my 2018 Ram 2500 bighorn, I started using Alfaobd to correct my tire size. I was trying to program my tire size to correct...
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