The key pad lights up and you can lock the doors with the last two buttons but the Factory code will not unlock the doors. I checked the door jam for broken wires and nothing. What's weird is every button when pushed will light the pad once it goes out. But when you enter the code and say hit some different numbers the pad blinks fast for about 30sec like you entered the wrong code. Any suggestions before I take the door panel off and have a look? Thanks