99 Suburban power door locks keep actuated on their own

[G-455759]

The automatic door locks on my 99 Suburban K 1500 keep actuating back and forth in rapid succession all on their own!
It's almost as if somebody has an aftermarket key fob and messing with me,.... it's really quite maddening! Any help would be greatly appreciated!

 

[zora]

When this happens have you tried either pushing or pulling each door closed to see if one of the latches is not fully locking.