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TSB Main Page
Publication Date: December 22, 2009

2008-2009 Focus, Fusion, Taurus X, Taurus, Edge, Explorer Sport Trac, Explorer
2009 Escape, Expedition, F-150, F-Super Duty, Flex
2008-2009 MKZ
2009 MKS
2008-2009 MKX, Navigator
2008-2009 Milan, Sable, Mountaineer
2009 Mariner

This article supersedes TSB 9-22-14 to update the Service Procedure.


Some 2008 and 2009 SYNC® equipped vehicles may exhibit one or more of the following symptoms:

  • Universal Serial Bus (USB) port inoperative.
  • USB audio muting when using various non-Apple USB devices.
  • Phone book access difficulty on certain 2-digit phone book entries when using voice commands.
  • Excessive background noise and/or poor voice sound quality.
  • Phone book auto download inoperative on supported devices.
  • SYNC steering wheel control (SWC) switches being inoperative intermittently.


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