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BostonVette,
Instead of a resync, try reprogramming them. Here's the instructions;
Programming Transmitters
1. Turn the ignition to ON.
2. Turn the radio to OFF.
3. Press the RESET button in order to clear any IPC warning messages.
4. Press and release the OPTIONS button on the DIC to scroll through the
display options until the IPC display is blank.
5. Press and hold the RESET button for 3 seconds.
6. Press the OPTIONS button until FOB TRAINING message is displayed.
7. Press the RESET button in order to begin the programming sequence. The
message HOLD LK + UNLK 1ST FOB will be displayed.
8. Simultaneously press and hold the LOCK and UNLOCK buttons on the first
transmitter for 15 seconds. The IPC will indicate when that transmitter is
programmed and when to proceed to the next. Repeat this procedure for
each additional transmitter or press the OPTIONS button to exit.
It sounds like the battery is loosing contact with the metal battery contact. This can happen if you bent the battery contacts during battery change or if they are out of position. The battery contacts are held against the battery by pressure and slight opening of the case (such as keeping it in your pocket) may cause this to happen. Try bending the battery contact located on the circuit board out slightly. Be careful not to bend too much or the contact will break off.
Prior to bending the contact, you can try leaving the key fob out on a desk overnight and verify that it does not loose its synch.
It sounds like the battery is loosing contact with the metal battery contact. This can happen if you bent the battery contacts during battery change or if they are out of position. The battery contacts are held against the battery by pressure and slight opening of the case (such as keeping it in your pocket) may cause this to happen. Try bending the battery contact located on the circuit board out slightly. Be careful not to bend too much or the contact will break off.
Prior to bending the contact, you can try leaving the key fob out on a desk overnight and verify that it does not loose its synch.
I was thinking something along the same lines. Maybe the batteries are weak and need to be replaced? Does anyone know how long they last?