So i had some 5.13 installed in my 2014 jku, It had 3.73 in it to begin with. My problem is after the install the guy went to test drive it and it went into limp mide where it stays in 3rd gear and you cannot manual shift it either. Well i brought him my tunner and we changed the ratios and made ...

Hi,
I have a 2014 wrangler that I have had tuned for almost two years now. I took my jeep into the dealer for an oil change and when I did I took off the tune incase they flashed my pcm. Well they did and now I went to put my tune back on and it says pcm calibration needed. I can not for the life of ...