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I've noticed that my knee or the passenger knee lines up perfectly with the power lock switch...simple but true!

Check the door pin switches that turn the dome lights on when opening the doors. If one is not getting pushed all the way in when the door is closed, every time you hit a bump, the switch will momentarily open & close, which causes the locks to lock & unlock. Also, if the cargo lights are set to turn on when the doors are open, they will flash on & off when the locks do.

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Q: What is the cause that Chevy astro van door lock and unlock while driving?
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