The 'trick' is all 10 digits. Seriously I don't have a clue.
That is why I don't work on my Cherokee, just pay my Jeep dealer the big bucks.
Stick around somebody will Post a serious reply.
Search YouTube and the Internet for the procedure, everything is there if you can just find it.
Search this Forum, the instructions are probably here.
Let us know what year and model of Jeep you are talking about.