My 2001 GC is rather intermittent when it comes to unlocking and locking with the remote. Some days it will work first time but more often than not it takes 5-6 attempts and around 20 on a bad day. It seems better if I'm on the passenger side and nearer the door and never works if I'm more than about 5 yards from the car. I'm going to try new batteries although they both measure 2.97 volts. Failing that, I assume it's either a ground issue or the module itself? Which door is it in on a RHD? If I change the module, am I going to have to go to Jeep to get the remotes re-coded?