First off, make sure you have the right remote, to date there are approx. 160 different remotes on the market. Chrysler has several different remotes, with different part numbers and various frequencies. The remote you need has a FCC ID # GQ43VT17T with a Canada # 1470 102 1294. If you have a unit with the following numbers, FCC ID GQ43VT9T with a Canada # 1470 102 460, it may look exactly the same, but it's a different unit frequency wise. Cut and paste the following address into your browser,
http://dodgeram.info/tsb/2002/08-007-02.htm and see if any of the info might help you out. It explains several of the programming methods used on Chrysler products. Good luck.