Hi all, Newbie here.....great site!!! My son bought a 2002 gmc sierra 2500hd 4x2 for towing his camper. It only came with one key fob that kept on losing the link with the truck and would stop working. After having it reprogramed several times, he bought 2 new key fobs. We programed them by the instructions found online and they worked great..........for 2 days......then stopped working again. Any of you have this happen? I feel it is a body control module issue....but what do I know?? (they program fine...then lose the link in a day or so and have to be re-programed) Any help would be greatly appreciated.