I had the same problem. Ford "fixed" the issue under warranty. They installed the same problem parts expecting the issue to be resolved. I ended up buying new nylon nuts and using clear silicon sealer to affix them in place. Problem solved.
That's the same item I installed about 8 months ago. It won't throw any codes, simply mimics pushing the mode button. I used 2 credit cards to remove the plastic cover. It popped right off without marring the finish.
I used 2 old credit cards, sliding them down on each side. You will feel the tabs release and the panel should pop up a bit. No prying was necessary in my instance.
I have had all the recalls done on my 23XL including the TSB for the dash rattle. Not once have I had an untoward experience. My dealer is very open and honest about relaying "what the book says" and what they expect regarding the time associated with the recall. The service writer says that...