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Thread: Audi A4 2009 b8 blank Mmi screen

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  1. Unhappy Audi A4 2009 b8 blank Mmi screen 
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    Hello I am new to this forum but I noticed some very helpful members willing to give some help. The problem I am having is the Mmi screen has gone blank in my 2009 a4 USA version, as I am from ny USA.first off all fuses checked are good.I ran the vcds and got many faults associated with the Mmi etc. also ran the optical diag. All errors came up . Not sure where to go next any ideas thanks
     
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  2. Re: Audi A4 2009 b8 blank Mmi screen 
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    Post the vcds scan.
    NOW GONE 2007 A6 2.7TDi Avant Le Mans Edition (180)

    Mods:- ECU Remap, Rear Air Suspension, Rear Led Lights, Rear View Camera, Rear Privacy Glass, Titanium wheels, Colour Coded Fog Light Surrounds, FBMFSW, AMI, DAB, Chrome S6 pedals, Front Grille De-chrome, window surround de-chrome.
     
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  3. Re: Audi A4 2009 b8 blank Mmi screen 
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    Saturday,11,March,2017,08:29:34:11098
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows XP x86
    VCDS Version: 15.7.1.0
    Data version: 20150904
    www.Ross-Tech.com

    VIN: WAUSF78K89N046467 License Plate:

    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------

    Gateway Installation List: 8T0 907 468 P
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    05-Acc/Start Auth. -- Status: OK 0000
    07-Control Head -- Status: Cannot be reached 1100
    08-Auto HVAC -- Status: Malfunction 1010
    09-Cent. Elect. -- Status: Malfunction 0010
    0E-Media Player 1 -- Status: Cannot be reached 1100
    0F-Digital Radio -- Status: Cannot be reached 1100
    10-Park/Steer Assist -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: Malfunction 0010
    19-CAN Gateway -- Status: Malfunction 0010
    1E-Media Player 2 -- Status: Cannot be reached 1100
    36-Seat Mem. Drvr -- Status: Malfunction 0010
    37-Navigation -- Status: Cannot be reached 1100
    42-Door Elect, Driver -- Status: Malfunction 0010
    46-Central Conv. -- Status: Malfunction 0010
    47-Sound System -- Status: Cannot be reached 1100
    52-Door Elect, Pass. -- Status: Malfunction 0010
    53-Parking Brake -- Status: OK 0000
    55-Headlight Range -- Status: OK 0000
    56-Radio -- Status: Cannot be reached 1100
    62-Door, Rear Left -- Status: OK 0000
    65-Tire Pressure -- Status: Malfunction 0010
    67-Voice Control -- Status: Cannot be reached 1100
    6C-Back-up Cam. -- Status: Malfunction 0010
    72-Door, Rear Right -- Status: OK 0000
    77-Telephone -- Status: Cannot be reached 1100
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------

    Chassis Type: 8K (8T0)
    Scan: 01 02 03 05 07 08 09 0E 0F 10 15 16 17 19 1E 36 37 42 46 47
    52 53 55 56 62 65 67 6C 72 77
    VIN: WAUSF78K89N046467 Mileage: 158720km-98624miles
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    05-Acc/Start Auth. -- Status: OK 0000
    07-Control Head -- Status: Cannot be reached 1100
    08-Auto HVAC -- Status: Malfunction 1010
    09-Cent. Elect. -- Status: Malfunction 0010
    0E-Media Player 1 -- Status: Cannot be reached 1100
    0F-Digital Radio -- Status: Cannot be reached 1100
    10-Park/Steer Assist -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: Malfunction 0010
    19-CAN Gateway -- Status: Malfunction 0010
    1E-Media Player 2 -- Status: Cannot be reached 1100
    36-Seat Mem. Drvr -- Status: Malfunction 0010
    37-Navigation -- Status: Cannot be reached 1100
    42-Door Elect, Driver -- Status: Malfunction 0010
    46-Central Conv. -- Status: Malfunction 0010
    47-Sound System -- Status: Cannot be reached 1100
    52-Door Elect, Pass. -- Status: Malfunction 0010
    53-Parking Brake -- Status: OK 0000
    55-Headlight Range -- Status: OK 0000
    56-Radio -- Status: Cannot be reached 1100
    62-Door, Rear Left -- Status: OK 0000
    65-Tire Pressure -- Status: Malfunction 0010
    67-Voice Control -- Status: Cannot be reached 1100
    6C-Back-up Cam. -- Status: Malfunction 0010
    72-Door, Rear Right -- Status: OK 0000
    77-Telephone -- Status: Cannot be reached 1100

    -------------------------------------------------------------------------------
    Address 01: Engine Labels:
    Part No SW: 8K2 907 115 M HW: 8K2 907 115 D
    Component: 2.0l R4/4V TF H14 0001
    Coding: 0104010A190F0160
    Shop #: WSC 02145 785 00200
    ASAM Dataset: EV_ECM20TFS8K2907115M A01001
    ROD: N/A
    VCID: 3979635AB872C8F65A-806C

    -------------------------------------------------------------------------------
    Address 02: Auto Trans (J217) Labels: 0B6-927-156.clb
    Part No SW: 8K0 927 158 C HW: 0B6 927 156
    Component: 0B6 20TFSIUSA H04 0050
    Revision: --H04---
    Coding: 001002
    Shop #: WSC 02145 785 00200
    ASAM Dataset: EV_TCMAL651 A01004
    ROD: EV_TCMAL651.rod
    VCID: 36636866896C278EB7-8062
    No fault code found.

    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------

    Control Module Part Number: 8T0 907 468 P
    Component and/or Version: GW-BEM 4CAN-M H09 0095
    Optical Bus Diagnostic : Standard
    Controller Electrical Optical
    19-CAN Gateway ERROR ERROR
    07-Control Head ERROR ERROR
    0E-Media Player 1 ERROR ERROR
    1E-Media Player 2 ERROR ERROR
    77-Telephone ERROR ERROR
    47-Sound System ERROR ERROR
    67-Voice Control ERROR ERROR
    56-Radio ERROR ERROR
    37-Navigation ERROR ERROR
    0F-Digital Radio ERROR ERROR
    ************************************************** **********
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------

    Control Module Part Number: 8T0 907 468 P
    Component and/or Version: GW-BEM 4CAN-M H09 0095
    Optical Bus Diagnostic : Standard
    Controller Electrical Optical
    19-CAN Gateway ERROR ERROR
    07-Control Head ERROR ERROR
    0E-Media Player 1 ERROR ERROR
    1E-Media Player 2 ERROR ERROR
    77-Telephone ERROR ERROR
    47-Sound System ERROR ERROR
    67-Voice Control ERROR ERROR
    56-Radio ERROR ERROR
    37-Navigation ERROR ERROR
    0F-Digital Radio ERROR ERROR
    ************************************************** ****
     
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  4. Re: Audi A4 2009 b8 blank Mmi screen 
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    Does MMI shows anything or is it always blank? Because it looks like there is no power supply to MMI
    AUDI A4 B8 2.0TDI 2010 100kW CAGB
     
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  5. Re: Audi A4 2009 b8 blank Mmi screen 
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    The mmi screen ,every 2-3 startups ,comes to life with the audi rings. Then after 4-5 seconds goes blank again thanks. also controls around the gearshift lever are not illuminated anymore any help would be appreciated thanks.
    Last edited by Tramundo; 11-03-2017 at 11:19 PM.
     
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  6. Re: Audi A4 2009 b8 blank Mmi screen 
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    Sounds like an intermittent connection to the unit. If it sometimes powers up then goes that means the unit isn't totally dead and will likely power up OK. Sounds like you're going to have to start taking your dash apart to find where the MMI connects to and ensure it's all seated correctly. If it is, possibly a fault with the wiring.

    Seems like it's going to be a fairly time consuming electrical troubleshooting exercise. Fingers crossed it is just a loose connection and not bad wiring.
     
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  7. Re: Audi A4 2009 b8 blank Mmi screen 
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    Thanks for the reply.I have a suspicion it might be a connection issue.Did you get a chance to look at my elec. optical scan . Is that weird , all those error codes. I have been working on audis and vws for over 30 years as an enthusiast.I just bought the vcds about 6 months ago and haven't used it much .I am definetly no expert especially when it comes to these electrical gremlins,so any advice is welcome.I don't know if Im scanning it correctly? Does it look right. Thanks a lot
     
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  8. Re: Audi A4 2009 b8 blank Mmi screen 
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    Hey Tramundo, wondering if you ever resolved this issue and if so, what was the solution(s)? Having same problem.
     
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  9. Re: Audi A4 2009 b8 blank Mmi screen 
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    Check out the optical loop - it may have been broken. One component in the loop may impact all the other. I had water in the drivers foot well in the black box holding the phone Bluetooth module. took it out and put a optical loop in to replace the module and all works again. - WATER!
    Audi A4 Avant B8 3.0TDI (240)
    Caterham 7 K series 1.8 150 ps

     
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