Deformed (enlarged) female terminals
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
1 = Enlarged
2 = Normal
Any probe entering the terminal may enlarge the contact spring opening creating an intermittent signal.
Insert the correct mating terminal (Location A) from the service kit and feel for a loose fit.