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MFT/Sync2 Audio Control Module/Head Unit Woes

DJ_Andy_M
DJ_Andy_M
in Ford Focus Club

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So as a few of you know, my car has been back to a ford dealer multiple times in the space of 12 months of owning it.

The biggest issues I've been having are with the Sync 2 side of things, and more specifically the "AHU" and "ACM" or the head unit and control module for the speakers, and radio functions.

First week of owning the car I discovered:

  • DAB wasn't working properly. Would not find any channels when browsing, and when switching between DAB muliplexes (I.e National and local DAB transmitters) it would fail to tune to them until 30 minutes later.
  • One day I got white noise on every feature of the system including voice control, usb and bluetooth.
  • iPod connectivity was absolutely useless and froze the entire Sync system.

So I applied the latest Sync update to 3.8 at the time. Didn't resolve any of these issues. Back to the dealer it went.

Dealer applied a load of updates to the modules which took 7 hours to download, and gave it back. Nothing any different, DAB still not working properly, iPod still not working.

Car went back to the dealer later that month to be flashed again with the threat of a possible APIM replacement as it took 12 hours to flash. This time it fixed the DAB issue, but not the iPod issue (by this time I gave up and got a memory stick)

Few months later I get the white noise issue again. Further updates applied.

3 weeks ago the white noise issue came back. It went back in for further updates.

The same weekend I got the car back, it suddenly sounded like its randomly panning to the right speakers, but actually as I discovered today using the bezel diagnostics actually my centre speaker and subwoofer have stopped working.

Where do I stand with this now? Do I force them to replace every module in the hopes it will fix it? Do I get in contact with Ford directly?

 

 

 

  • Quote


    • Author

    Anyone? Car is due back in on Thursday and I want to be armed with a plan.

  • Quote

    to me it sounds like a faulty hardware unit. 

    especially if the dealer has itsself applied software etc.

    the fact that they are installing software etc means they are aware of this issue. 

    Usually they will send an engineer from head office to have a look

    Anything could be the cause. right down to a bad solder joint. or a loose connection.

     

    Jamie

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