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AMI Issue - MMi 2G High A5 2007

leathers123 Mar 16, 2020

  1. leathers123

    leathers123 Registered User

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    Hello!

    I've recently got myself into a 2007 Audi A5 3.0tdi Quattro, love the thing so far but unfortunately, I'm having an issue with the MMI, specifically, I believe the AMI.

    Every so often the system cuts all audio, flashes and then does a mini restart and back to normal. This restart happens every 2 minutes when the car is 'on one'. I also lose all power through the AMI socket to my Bluetooth adaptor (Tune2Air). The restart will happen through any media - Radio, CD, AMI...

    If I were to hazard a guess it's like something electrical is tripping out the system, either by overvoltage or something like - I've never played with Audi's before so no ideas on what it could be!

    A video is probably more helpful than me babbling so here goes



    My OBD11 shows a communication interruption on a fault code 03157 - Display control Unit?

    I've already:
    Updated to the latest MMI version
    Updated the AMI itself through USB using .bin file.
    Unplugged and replugged the AMI - this fixed it for a couple of days.

    I think my AMI unit may be faulty - P/N 4e0 035 758A

    [​IMG]

    I'm hoping... its not the dreaded B&O amp in the boot!


    Any ideas or where to point are greatly appreciated!
     
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  3. leathers123

    leathers123 Registered User

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    I'll get the car booked in with a VCDS expert and hopefully find out the issue. Will post results.

    If anyone has any clue in the meantime, please let me know :)
     
  4. Jeebsy

    Jeebsy Registered User

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    If it does turn out to be the amp in the boot, there's a place in edinburgh fixes them which is potentially a much cheaper/reliable route
     
  5. leathers123

    leathers123 Registered User

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    Figured the issue, bought a new AMI unit and it's fixed the issue!
     

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