Call a tuner. Not Bama or any of the other "tunes for life" ones. The device you have is just the actual thing that uploads the tune. You have to pay a tuner to actually write one.
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.