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Type: Posts; User: pploeser

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  1. $450 for an interface and no attempt at support?...

    $450 for an interface and no attempt at support? Come on...
  2. I'm looking for help on this... I made a...

    I'm looking for help on this...

    I made a little progress this week but I'm still stuck with some problems that aren't solved by any of the instructions I've found online. I've browsed a bunch of...
  3. I temporarily connected the original radio and...

    I temporarily connected the original radio and confirmed steering wheel controls still function and MMI info came back to the gauge cluster display, so I think physical wiring is ok.

    I had to do...
  4. What I could find so far on these fault codes: ...

    What I could find so far on these fault codes:

    00658 - ???
    03157 - possibly causing or a result of steering wheel controls not working, possibly due to incompatible features enabled in coding?...
  5. MMI Faults and grayed menu items after 3G+ retrofit C6/4F

    I've done a 3G to 3G+ retrofit on my 2010 A6 and I'm stuck on a few problems. I'm out of ideas at the moment. I haven't ruled out a hardware issue, but everything worked fine before the retrofit. The...
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    Finally got my original control panel to talk to...

    Finally got my original control panel to talk to the new MMI unit.

    I ended up scanning my wife’s 2015 Q7 to see the long coding on hers. We had different values in byte 14 so I changed mine to...
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    I also noticed that the LEDs on the new panel...

    I also noticed that the LEDs on the new panel very dimly flash periodically. Not sure if this provides any other clues. I captured a short video clip (viewing the circuit board below the buttons):
    ...
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    I replaced the battery today and cleared all...

    I replaced the battery today and cleared all voltage related faults. Coded new battery (non OEM) by incrementing existing serial number. *shrug*

    I'm down to 6 faults (from 8) on the 5F control...
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    Hey guys, I'm working through a similar retrofit...

    Hey guys, I'm working through a similar retrofit on a C6 2010 Avant. MMI 3G+ is from a 2014 D4? A8 (CP removed by independent tech) and center control panel is from a 2013 4L Q7.

    MMI will not...
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