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Thread: Auto levelling headlights Audi A6 C5 2.5 TDI

  1. #1
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    Auto levelling headlights Audi A6 C5 2.5 TDI

    Hi, I have no communication with controller. Replaced controller, still no communication, changed levelling sensor on front suspension (front wheel drive) still no communication.I have no warning lights on dash. Can anyone give me some suggestions other than wiring. Thanks for any replies.

  2. #2
    Benevolent Dictator Uwe's Avatar
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    Please post an Auto-Scan for context. There may be clues in other modules.

    -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.

  3. #3
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    Quote Originally Posted by Uwe View Post
    Please post an Auto-Scan for context. There may be clues in other modules.

    -Uwe-
    Code:
    Wednesday,03,October,2018,18:31:54:10284
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x86
    VCDS Version: 18.9.0.2
    Data version: 20180927 DS296.0
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ4B04N008991   License Plate: 
    
    
    Chassis Type: 4B (4B - Audi A6/S6/RS6/allroad C5 (1998 > 2005))
    Scan: 01 02 03 06 08 15 16 17 18 22 34 35 36 37 45 55 56 57 65 67
              75 76 77
     
    VIN: WAUZZZ4B04N008991   
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: 059-907-401-AKE.clb
       Part No: 4B0 907 401 S
       Component:  2.5l/4VTEDC G000AG  D66   
       Coding: 01001
       Shop #: WSC 00028  
       VCID: 2E58DD36EA3F693A77-4A9C
    
    1 Fault Found:
    18062 - Please check DTC Memory of Instrument Cluster 
                P1654 - 35-00 - 
    Readiness: N/A
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans        Labels: 01V-927-156.lbl
       Part No: 4B0 927 156 BL
       Component: AG5 01V 2.5lTDI RdW 9419  
       Coding: 00000
       Shop #: WSC 00000  
       VCID: 72E009463E870DDAD3-4A9C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 8E0-614-111-ASR.lbl
       Part No: 8E0 614 111 AH
       Component: ABS/ASR 5.3 FRONT   D10  
       Coding: 00011
       Shop #: WSC 02325  
       VCID: 64CC7F1EF473936A51-50E6
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 4B0-959-655-AI8.lbl
       Part No: 4B0 959 655 G
       Component: Airbag Front+Seite 1001  
       Coding: 01106
       Shop #: WSC 02335  
       VCID: 346CCF5E041343EA01-50E6
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 4B0-907-487.lbl
       Part No: 4B0 907 487 
       Component: E Lenkrad Elektronik X03  
       VCID: 69D26E2A1351CE0262-4B64
    
    1 Fault Found:
    01426 - Controls in Steering Wheel (E221) 
                49-00 - No Communications
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 4B0-920-xxx-17.lbl
       Part No: 4B0 920 981 J
       Component: KOMBI+WEGFAHRS. VDO D12  
       Coding: 02460
       Shop #: WSC 00050  
       VCID: 2D5ADA3AE73912224E-50E6
       WAUZZZ4B04N008991     AUZ7Z0C2418282
    
    1 Fault Found:
    01304 - Radio 
                49-00 - No Communications
    
    -------------------------------------------------------------------------------
    Address 35: Centr. Locks        Labels:. 4B0-962-258.lbl
       Part No: 4B0 962 258 H
       Component: Central Lock/Alarm  D33  
       Coding: 04811
       Shop #: WSC 00028  
       VCID: 2E58DD36EA3F693A77-4E78
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 45: Inter. Monitor        Labels: 4B0-951-173.lbl
       Part No: 4B0 951 173 
       Component: Innenraumueberw.    D03  
       Coding: 00001
       Shop #: WSC 02335  
       VCID: 60C4730EE06B8F4AB5-4AE6
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 8D0-035-1xx-56.lbl
       Part No: 4B0 035 186 B
       Component:  Radio              D04  
       Coding: 00014
       Shop #: WSC 02325  
       VCID: 1F4630F29D95F0B2CC-4AB4
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 76: Park Assist        Labels: 4B0-919-283.lbl
       Part No: 4B0 919 283 
       Component: Parkingsystem A6 RDW D18  
       Coding: 01106
       Shop #: WSC 02335  
       VCID: 66C86516024FE17A4F-515A
    
    1 Fault Found:
    01545 - Sensor for Parking Aid; Rear Left (G203) 
                31-00 - Open or Short to Ground
    
    End-------------------------(Elapsed Time: 05:46)--------------------------
    Last edited by Uwe; 10-03-2018 at 04:05 PM. Reason: CODE tags

  4. #4
    Benevolent Dictator Uwe's Avatar
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    Unfortunately, there's nothing obvious in that scan.

    I'm reasonably confident that on a 2004 4B A6, 55 should be on K2 (pin 15 of your diagnostic socket). Check that pin 15 is populated and check continuity between there and whatever pin the K-line goes to on the headlight range module. Also check power and ground connections to the headlight range module.

    -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.

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    Hi, thanks for your reply. The car is a 2000, I've swapped the cluster and it's showing
    cluster's previous car's vin. I'll check-out wiring. I've had the car 14 years but now electrics are doing my head in. Once again thanks for your reply and your interest.

  6. #6
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by carcav View Post
    Hi, thanks for your reply. The car is a 2000, I've swapped the cluster and it's showing
    cluster's previous car's vin. I'll check-out wiring. I've had the car 14 years but now electrics are doing my head in. Once again thanks for your reply and your interest.
    Aha. A 2004 4B would most likely have had dual K-lines, with the second one on pin 15. A 2000 would not; everything would be on one K-line on pin 7.

    So check continuity between pin 7 and the K-line pin on the headlight range module. And still check power and ground on that module.

    -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.

  7. #7
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    Hi, you're some boy. There's some that know and there's some that don't know and you're a knower. Thanks again for your swift reply.

  8. #8
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by carcav View Post
    Hi, you're some boy. There's some that know and there's some that don't know and you're a knower. Thanks again for your swift reply.
    I've been doing this for a while now.

    But there's still more than I don't know than I do know.

    -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.

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