Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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My neighbor opens my door when they open theirs.

Is there a way to change the code to a different one on the opener ? Or how would I solve this problem.

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It all depends on the model number of your opener. Have you seen the neighbor open your door? Can you open his door? The odds against this actually happening are so great. Usually it is a bad wall control or the wiring leading to the wall control. You can temporarily eliminate both of these by removing the wire from terminal #1 on your motor unit. The remotes will still work with this removed.

Posted on Jul 01, 2009

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Do you have the option to change the electronic codes on your garage door opener system? My father-in-law had the same problem a number of years ago. He had not reset the code (equivalent to the combination on a lock) from the equivalent of 0-0-0 (which his unit shipped with). Turned out that a neighbor (or neighbour - in Canada) had the same /similar unit and when the neighbor opened 'his' door, my father-in-law's door would also open. You don't have to see the person drive by - it can be the neighbors behind you as well. You may find a solution by determining if you can change the original electronic code to a different one of your own choosing.
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