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2014 Silverado - Outside mirrors readjust themselves on entry

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I have a 2014 Chevy Silverado LTZ Crew Cab and I have been having several issues that might be linked. A few months ago my right outside mirror decided to start readjusting itself when I opened the driver door.  A few weeks ago it stopped doing that and the left side started to readjust itself.  I used the memory buttons on the door to set the mirrors where I wanted and just hit that every time I start the truck.  Also, I have the mirror tilt in reverse controls turned off. Strangely, I am now also having problems with the seats not working with the memory button and two of the seat heaters have stopped working.  I can't find anything on the web that indicates what module controls the memory for the exterior mirrors.  So, does the truck have a poltergeist or does the power seat control module also direct the mirrors as well as the seat memory and maybe a few other functions?  Thanks for all your help!

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It’s the seat memory module. Had mine replaced a month ago. No problems since then.

It controls all driver memory locations tied to the key fobs.

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Thanks, Ben!  Is the module something I can replace or does it have to be programmed by the dealer?

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