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Thread: Audi A6 4F Allroad 2009 MMI replacement problem

  1. #1
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    Audi A6 4F Allroad 2009 MMI replacement problem

    Hello
    I have a Audi Allroad 2009 2.7.
    I have replaced the MMI unit in my car , after this I have a problem with the bluetooth . When the MMI has booted I have no problem connecting the phone and the phone connection configeration is stored in the unit. The phone is also working properly in the car.

    The problem is when I start the car next time the bluetooth is not starting. I have to manually start the BT service in the phonemeny.
    Also I have to manually connect my phone again. When I looked into "Stored phones" in MMi phone meny I find my phone.
    When I replaced the unit I used The same Longcoding as the old unit.
    I have tryed to look into the green menu, have not be able to fix the problem. When i look into the VCDS scan from the old unit and the new unit it seems to bee an older HW.

    Old defect unit:

    Code:
    Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
       Part No SW: 4E0 035 666 K    HW: 4E0 035 666 
       Component: H-BN-EU       H60 0187  
       Revision: --------    Serial number: 345J5087528966
       Coding: 010100050002D3ED01002315EF6300030001
       Shop #: WSC 00010 218 72807
       VCID: 2E05F2382013C9673C1-807A
    
       Subsystem 1 - Part No: 8R0 060 884 EM
       Component: EUR 2017/2018  2503 
    
       Subsystem 2 - Part No SW: 4F0 919 604     HW: 4F0 919 604 
       Component: DU7 High  H43 0306 
       Serial number: 9356JT081018813     
    
       Subsystem 3 - Part No SW: 4F0 910 609 E    HW: 4F1 919 611 S
       Component: Bedienteil MM  H01 0060 
       Serial number: 00000001202121
    New unit:
    Code:
     Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
       Part No SW: 4E0 035 666 K    HW: 4E0 035 666 B
       Component: H-BN-EU       H41 0187  
       Revision: --------    Serial number: 454G+097511797
       Coding: 010100050002D3ED01002315EF6300030001
       Shop #: WSC 02391 823 56573
       VCID: 2E05F2382013C96768D-807A
    
       Subsystem 1 - Part No: 8R0 060 884 GA
       Component: EUR 2019  2802 
    
       Subsystem 2 - Part No SW: 4F0 919 604     HW: 4F0 919 604 
       Component: DU7 High  H43 0306 
       Serial number: 9356JT081018813     
    
       Subsystem 3 - Part No SW: 4F0 910 609 E    HW: 4F1 919 611 S
       Component: Bedienteil MM  H01 0060 
       Serial number: 00000001202121      
    
       Subsystem 4 - Part No: 8R0 906 961 A
       Component: CD-Database  1293

  2. #2
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    I have not been abel to fix the problem, but I found the security access code for the MMI, its 21055.
    I tried it and it confirmed ok.

    TH

  3. #3
    Benevolent Dictator Uwe's Avatar
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    The MMI in this car is likely in the Component Protection scheme. Has it been matched to the car at the dealer?

    Is there a reason you're not showing us the fault codes, or a complete Auto-Scan?

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  4. #4
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    The component protection is removed by my local Audi dealer.

    TH

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