Originally Posted by Naz24

It happened to my moms 4.6is. the stealership said that the entire rear brake housing had to be replaced... i ended up pulling the prongs out further on the light bulb and it worked. Something happened with the heat and it messed up the prongs. I would try that? or try pulling the entire housing out and see if you can see a problem with the connection where the prongs hit the housing...

hope this helps!