If you have a bad lock actuator in one of the doors it may be so weak it isnt locking or unlocking fully and giving a bad signal and making them all react to it, this is just a guess.
The 2 locks to fail the most is the Drivers door and sliding door/door's.
Some very light sandpaper or good eraser can clean the contacts on the side door/door's. For the drivers door it will need a new lock actuator or if you are lucky like I was the bracket just broke and I added a new screw.
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Mark V
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