I saw this thread on the MP3 Page and thought it might apply to the 2.0 seeint as the Alt are the same. I'm having this issue and wanted to see who else has, and if there is a way to correct it other than replacing the Alt.
http://www.mazdas247.com/forum/showthread.php?t=123657992
http://www.mazdas247.com/forum/showthread.php?t=123657992