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Thread: 2005 Audi A6 C6: After coding euro tails -> fuel lid failure

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    2005 Audi A6 C6: After coding euro tails -> fuel lid failure

    Hi guys,
    First time poster, long time Ross-Tech user. Till now, I had never come across a problem that didnt already have a solution here. So, thanks for that!

    I have a US-spec 2005 A6 Sedan. The car originally came with SAE spec LED taillights. I've sense changed them out with OEM euro LED tail lights.

    I want to code the new tail lights to blink the turn signal independent of the brake lights. I can and have successful done this with VCDS by subtracting 4096 (SAE Rear Lights) from the Central Convenience module coding.

    Unfortunately when i do this there is an additional undesired affect, now the fuel cap door pops open every time i unlock the car. I only want my fuel door to open when i press the button on the driver door.

    There's an option in VCDS for "+4194304 = Fuel Lid Unlock via Driver Door Button" but when i try to add this I get an error that the codding is not accepted.

    FYI, I found this thread: Link. In it this guy says...
    No. 20: Fuel tank flap control
    When the bit is set the fuel tank flap is unlocked via a button in the driver's door (USA vehicles). When the bit is not set the fuel tank flap is locked and unlocked via the central locking.
    YZ Note
    The fuel tank flap control is only codeable as from control unit software version 0120. If software version 0120 is not yet installed in the control unit, select Fuel tank flap lock/release via central locking.
    This probably means I have the older sw and will not be able to code the euro tail lights as i want them without the funky fuel lid behavior.

    My question is: does anyone have any experience with alternate coding I can try? Is there an alternate WSC?

    So far I've tried:
    -4096 SAE Rear Lights (PR-A8U) --> fuel lid failure
    -4096 SAE Rear Lights (PR-A8U) and -131072 Highline (LED Rear Lights) --> fuel lid failure
    -4096 SAE Rear Lights (PR-A8U) and +4194304 Fuel Lid Unlock via Driver Door Button --> coding not accepted.

    Here are a few links to threads on similar topics but without a solution, or a solution that doesn't work for me.
    https://forums.ross-tech.com/showthr...ights-retrofit
    https://forums.ross-tech.com/showthr...Light-retrofit


    Here is my full auto scan:
    Code:
    Tuesday,08,October,2019,19:58:16:00426
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 19.6.2.0 (x64)
    Data version: 20190930 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WAUDG74F55N056396   License Plate: 0KYZ06
    Mileage: 230820km-143424mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 4F (4F0)
    Scan: 01 02 03 05 07 08 09 0E 15 16 17 19 42 46 47 4F 52 53 55 56
              61 62 72 76 77
    
    VIN: WAUDG74F55N056396   Mileage: 230820km-143424miles
    
    00-Steering Angle Sensor -- Status: OK 0000
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: Malfunction 0010
    05-Acc/Start Auth. -- Status: OK 0000
    07-Control Head -- Status: OK 0000
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: OK 0000
    0E-Media Player 1 -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: OK 0000
    25-Immobilizer -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    46-Central Conv. -- Status: Malfunction 0010
    47-Sound System -- Status: OK 0000
    4F-Centr. Electr. II -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    53-Parking Brake -- Status: Malfunction 0010
    55-Headlight Range -- Status: Malfunction 0010
    56-Radio -- Status: OK 0000
    61-Battery Regul. -- Status: OK 0000
    62-Door, Rear Left -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    76-Park Assist -- Status: OK 0000
    77-Telephone -- Status: OK 0000
     
    -------------------------------------------------------------------------------
    Address 01: Engine (AUK)       Labels:. 06E-910-559-BKH.clb
       Part No SW: 4F2 910 559 B    HW: 4F1 907 559 A
       Component: 3.2l V6 FSI         0030  
       Revision: --H15---    Serial number:               
       Coding: 0000000000000000
       Shop #: WSC 02116 444 64487
       VCID: 2B5553708A049A1722-807E
    
    2 Faults Found:
    005715 - Please check DTC Memory of ABS Controller 
                   P1653 - 008 -  - Intermittent
                 Freeze Frame:
                        Fault Status: 00101000
                        Fault Priority: 2
                        Fault Frequency: 40
                        Reset counter: 40
                        Mileage: 227753 km
                        Time Indication: 0
                        Date: 2019.08.02
                        Time: 16:08:57
    
                 Freeze Frame:
                        RPM: 736 /min
                        Mass Air / Rev.: 130.8 mg/str
                        Temperature: 94.5°C
                            Idle
                        Load: 16.5 %
                        Speed: 0.0 km/h
    
    000773 - Cylinder 5 
                   P0305 - 007 - Misfire Detected - Intermittent
                 Freeze Frame:
                        Fault Status: 00000010
                        Fault Priority: 6
                        Fault Frequency: 1
                        Reset counter: 6
                        Mileage: 229688 km
                        Time Indication: 0
                        Date: 2019.09.02
                        Time: 10:42:35
    
                 Freeze Frame:
                        RPM: 864 /min
                        Mass Air / Rev.: 179.9 mg/str
                        Temperature: 31.5°C
                            Idle
                        Time: 51.2 s
                        Speed: 0.0 km/h
    
    Readiness: 0000 0000
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans        Labels: 09L-927-760.lbl
       Part No SW: 4F1 910 156 H    HW: 09L 927 156 
       Component: AG6 09L 3.2 FSI USA 0020  
       Revision: --H01---    Serial number:        0055481
       Coding: 0001002
       Shop #: WSC 02335 785 00200
       VCID: 2959A97880F88807D0-807C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 4F0-910-517.clb
       Part No SW: 4F0 910 517 E    HW: 4F0 614 517 A
       Component: ESP8 quattro    H03 0010  
       Revision: 00000000    Serial number: 00000000000000
       Coding: 0004511
       Shop #: WSC 02335 785 00200
       VCID: 2643A24491E6A77FFD-8072
    
    1 Fault Found:
    00473 - Control Module for Elect. Park/Hand Brake (J540) 
                008 - Implausible Signal
                 Freeze Frame:
                        Fault Status: 01101000
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 136
                        Mileage: 230824 km
                        Time Indication: 0
                        Date: 2019.10.08
                        Time: 19:56:09
    
                 Freeze Frame:
                        Hex Value: 0x0280
                        Hex Value: 0x4082
                        Hex Value: 0x0000
                        Hex Value: 0x0095
                        Hex Value: 0x00FF
    
    
    -------------------------------------------------------------------------------
    Address 05: Acc/Start Auth.        Labels:. 4F0-910-852.clb
       Part No SW: 4F0 910 852     HW: 4F0 905 852 B
       Component: FBSAUDIC6 ELV   H31 0220  
       Revision: 31050601    Serial number: 10601100628238
       Coding: 0000011
       Shop #: WSC 02116 444 82885
       VCID: 63C5FB50A2541257DA-8036
    
       Subsystem 1 - Part No: 4F0 910 132 L
       Component: FBSAUDIC6 EZS   H05 0020
    
       Subsystem 2 - Part No: 4F0 910 220 A
       Component: FBSAUDIC6 IDG   H35 0040
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 07: Control Head        Labels: 4F0-910-7xx-07-H.clb
       Part No SW: 4F0 910 729 B    HW: 4E0 035 729 
       Component: Interfacebox    H43 0750  
       Revision: 00000000    Serial number: 360IL047505640
       Coding: 0000003
       Shop #: WSC 02335 785 00200
       VCID: 285FAC7C9BF2B10FCF-807C
    
       Subsystem 1 - Part No: 4F0 910 609 E
       Component: Bedienteil MMIC6H01 0060
    
       Subsystem 2 - Serial number: 00000000582836
    
       Subsystem 3 - Serial number: 0114.11.060000000100011362ÿ
    
       Subsystem 4 - Serial number: 011362ÿ
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 4F0-910-043.clb
       Part No SW: 4F0 910 043     HW: 4F1 820 043 J
       Component: KLIMABETAETIGUNGH11 0110  
       Revision: 00000023    Serial number: 00000000065527
       Coding: 0524326
       Shop #: WSC 02335 785 00200
       VCID: 5BB5C3B09A242A9792-800E
    
    1 Fault Found:
    01592 - Air Quality Sensor (G238) 
                014 - Defective
                 Freeze Frame:
                        Fault Status: 01101110
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 136
                        Mileage: 230824 km
                        Time Indication: 0
                        Date: 2019.10.08
                        Time: 19:56:14
    
                 Freeze Frame:
                        Temperature: 21.0°C
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels: 4F0-910-279.lbl
       Part No SW: 4F0 910 279     HW: 4F0 907 279 
       Component: ILM Fahrer      H14 0080  
       Revision: 00000000    Serial number: 4F0907279     
       Coding: 0013123
       Shop #: WSC 02335 785 00200
       VCID: 66C3E2445166677F3D-8032
    
       Subsystem 1 - Part No: 4F1 910 113   Labels: 1KX-955-119.CLB
       Component: Wischer AudiC6  H05 0150  
       Coding: 00062736
       Shop #: WSC 02335  
    
       Subsystem 2 - Part No: 4E0 910 557   Labels: 8K0-955-559.CLB
       Component: REGENLICHTSENSORH10 0050  
       Coding: 00141886
       Shop #: WSC 02335  
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 0E: Media Player 1        Labels: 4E0-910-111.lbl
       Part No SW: 4E0 910 111 D    HW: 4E0 035 111 A
       Component: CD-Changer      H44 0340  
       Revision: 00000000    Serial number: AUZ5ZBD6018178
       Shop #: WSC 00000 000 00000
       VCID: 1A3B86B4D59E139F49-804E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 4F0-910-655-8R.clb
       Part No SW: 4F0 910 655 B    HW: 4F0 959 655 A
       Component: 56 AIRBAG AUDI8RH28 0310  
       Revision: 09H28000    Serial number: 00359D072YB+  
       Coding: 0013622
       Shop #: WSC 22102 444 84485
       VCID: 2643A24491E6A77FFD-8072
    
       Subsystem 1 - Part No: 4F0 910 339 
       Component: BF-Gewichtsens. 002 0040
    
       Subsystem 2 - Serial number: 6332CSME051E5E639
    
       Subsystem 3 - Serial number: 6342CSME05624C61+
    
       Subsystem 4 - Serial number: 6351HSME043A094C9
    
       Subsystem 5 - Serial number: 6361HSME042D4C205
    
       Subsystem 6 - Serial number: 6371VSME041E131DK
    
       Subsystem 7 - Serial number: 6381VSME0420052FC
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 4F0-910-549.lbl
       Part No SW: 4F0 910 549     HW: 4F0 953 549 A
       Component: Lenksäulenmodul H07 0230  
       Revision: 00H07000    Serial number: 90025042590240
       Coding: 0002021
       Shop #: WSC 02335 785 00200
       VCID: 66C3E2445166677F3D-8032
    
       Subsystem 1 - Part No: XXXXXXXXXXX 
       Component: Lenkradmodul    H05 0080
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 4F0-910-xxx-17.lbl
       Part No SW: 4F0 910 900 A    HW: 4F0 920 950 M
       Component: KOMBIINSTR. M73 H09 0460  
       Revision: 00200000    Serial number: 4I21290A4     
       Coding: 0067203
       Shop #: WSC 16732 002 1048576
       VCID: 1E338AA4C9B67FBFB5-804A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 4F0-910-468.clb
       Part No SW: 4F0 910 468 A    HW: 4F0 907 468 B
       Component: Gateway         H09 0030  
       Revision: 09          Serial number: 08008049250162
       Coding: ECFE73C41B1104
       Shop #: WSC 02335 785 00200
       VCID: 275DAF4096ECBE77C6-8072
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels: 4F0-910-793-42.lbl
       Part No SW: 4F0 910 793 B    HW: 4F0 959 793 B
       Component: TSG FA          H10 0020  
       Revision: 00000000    Serial number: 7W%
       Coding: 0035435
       Shop #: WSC 02335 785 00200
       VCID: 2959A97880F88807D0-807C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels:. 4F0-910-289.lbl
       Part No SW: 4F0 910 289 E    HW: 4F0 907 289 E
       Component: Komfortgeraet   H14 0090  
       Revision: 00900014    Serial number: 01001051570000
       Coding: 0424125
       Shop #: WSC 02335 785 00200
       VCID: 2C57506C8F0A9D2F2B-8078
    
       Subsystem 1 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HORN H02 1301
    
    2 Faults Found:
    01134 - Alarm Horn (H12) 
                012 - Electrical Fault in Circuit
                 Freeze Frame:
                        Fault Status: 01101100
                        Fault Priority: 3
                        Fault Frequency: 254
                        Reset counter: 136
                        Mileage: 192381 km
                        Time Indication: 0
                        Date: 2015.11.23
                        Time: 12:54:01
    
    01504 - Bulb for License-Plate Light (X) 
                009 - Open or Short to Ground
                 Freeze Frame:
                        Fault Status: 01101001
                        Fault Priority: 3
                        Fault Frequency: 254
                        Reset counter: 136
                        Mileage: 210896 km
                        Time Indication: 0
                        Date: 2004.06.03
                        Time: 12:04:40
    
    
    -------------------------------------------------------------------------------
    Address 47: Sound System        Labels: 4F0-910-223-BO.lbl
       Part No SW: 4F5 910 223 B    HW: 4F5 035 223 C
       Component: DSP-High C6     H14 0220  
       Revision: PROD_01     Serial number: 00000000200040
       Coding: 0000016
       Shop #: WSC 02116 444 64487
       VCID: 224BBE54FDCE5B5F91-8076
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 4F: Centr. Electr. II        Labels: 4F0-910-280.lbl
       Part No SW: 4F0 910 280     HW: 4F0 907 280 A
       Component: ILM Beifahrer   H09 0050  
       Revision:             Serial number: 00000000035314
       Coding: 0001114
       Shop #: WSC 02335 785 00200
       VCID: 5EB3CAA489363FBFF5-800A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels: 4F0-910-793-52.lbl
       Part No SW: 4F0 910 793 B    HW: 4F0 959 792 B
       Component: TSG BF          H10 0020  
       Revision: 00000000    Serial number: d%
       Coding: 0035435
       Shop #: WSC 02335 785 00200
       VCID: 2959A97880F88807D0-807C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake        Labels: 4F0-910-801.clb
       Part No SW: 4F0 910 801 D    HW: 4F0 907 801 B
       Component: EPB  CEFC0090   H05 0090  
       Revision: --H05---    
       Coding: 0005021
       Shop #: WSC 16732 002 1048576
       VCID: 2149B158F8C8404788-8074
    
    1 Fault Found:
    02432 - Supply Voltage for Left Parking Brake Motor (V282) 
                011 - Open Circuit - MIL ON
                 Freeze Frame:
                        Fault Status: 11101011
                        Fault Priority: 2
                        Fault Frequency: 254
                        Reset counter: 188
                        Mileage: 214976 km
                        Time Indication: 0
                        Date: 2018.12.02
                        Time: 21:02:28
    
                 Freeze Frame:
                        Voltage: 12.42 V
                        Count: 116
    
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range        Labels: 4F0-910-357.lbl
       Part No SW: 4F0 910 357 A    HW: 4F0 907 357 A
       Component: AFS 1           H03 0010  
       Revision: 00000001    Serial number:               
       Coding: 0000016
       Shop #: WSC 02325 785 00200
       VCID: 2447B84CE7DA556FE3-8070
    
       Subsystem 1 - Part No: NOSUBSYSTEM 
       Component: AFS-Modul links         
    
       Subsystem 2 - Part No: NOSUBSYSTEM 
       Component: AFS-Modul rechts        
    
    1 Fault Found:
    02071 - Local Databus 
                004 - No Signal/Communication - MIL ON
                 Freeze Frame:
                        Fault Status: 11100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 136
                        Mileage: 230824 km
                        Time Indication: 0
                        Date: 2019.10.08
                        Time: 19:56:11
    
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 4E0-910-541.lbl
       Part No SW: 4E0 910 541 C    HW: 4F0 035 541 
       Component: TUNER EU/US/RDW H41 0290  
       Revision: 00000000    Serial number: 352JT047565163
       Coding: 0000002
       Shop #: WSC 02335 785 00200
       VCID: 204FB45CF3C2494F87-8074
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 61: Battery Regul.        Labels: 4F0-910-181.lbl
       Part No SW: 4F0 910 181 E    HW: 4F0 915 181 A
       Component: ENERGIEMANAGER  H11 0490  
       Revision: 00000000    Serial number: 00000000059937
       Shop #: WSC 02116 444 53299
       VCID: 2345BB50E2D452579A-8076
    
       Subsystem 1 - Part No: 4F0 915 105 C
       Component: von VA0  2410020536       
       Coding: 344630393135313035432056413032343130303230353336
       Shop #: WSC 00000 384 00290
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left        Labels: 4F0-910-795.lbl
       Part No SW: 4F0 910 795     HW: 4F0 959 795 
       Component: TSG HL          H09 0010  
       Coding: 0035370
       Shop #: WSC 02335 785 00200
       VCID: 69D9E9784078480710-803C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right        Labels: 4F0-910-795.lbl
       Part No SW: 4F0 910 795     HW: 4F0 959 794 
       Component: TSG HR          H09 0010  
       Coding: 0035370
       Shop #: WSC 02335 785 00200
       VCID: 69D9E9784078480710-803C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 76: Park Assist        Labels: 4Fx-910-283.lbl
       Part No SW: 4F0 910 283     HW: 4F0 919 283 
       Component: Parkhilfe 4-Kan H09 0020  
       Revision: --.--.--    Serial number: 11730427402512
       Coding: 0001206
       Shop #: WSC 02335 785 00200
       VCID: 61C9F158B8480047C8-8034
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 77: Telephone        Labels: 4E0-910-336.lbl
       Part No SW: 4F0 910 336 H    HW: 4E0 862 335 
       Component: Handyvorb2      H10 1130  
       Revision: 00000000    Serial number: 00000007502533
       Coding: 0010900
       Shop #: WSC 00000 000 00000
       VCID: 285FAC7C9BF2B10FCF-807C
    
    No fault code found.
    
    End-------------------------(Elapsed Time: 02:21)--------------------------
    Last edited by corrado-correr; 10-09-2019 at 03:26 PM.

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  3. #2
    Ross-Tech Employee Dana's Avatar
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    The factory condition scan, or clip of 46 with the factory coding, may shed light on this but the SWL of that module is 0090 so the rejected coding may be normal per your source.

    Address 46: Central Conv. Labels:. 4F0-910-289.lbl
    Part No SW: 4F0 910 289 E HW: 4F0 907 289 E
    Component: Komfortgeraet H14 0090
    Revision: 00900014 Serial number: 01001051570000
    Coding: 0424125
    Shop #: WSC 02335 785 00200

    Providing they aren't all zeros the WSC, Importer and Equipment numbers don't matter.

    I located a Canadian market 4F25NL Audi A6 Quattro 3,2 Sedan with PR-Code 8SL Taillight assemblies with diodes (LED) (for NAR) and that 46 module was:

    > Address 46: Central Conv. Labels:. 4F0-910-289.lbl
    > Part No SW: 4F0 910 289 E HW: 4F0 907 289 E
    > Component: Komfortgeraet H14 0090
    > Coding: 0423997

    If you haven't already done so I would try that exact value. If it resolves your fuel door problem but creates new issues related to the new tails please include the factory value in your next reply.

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  5. #3
    Verified VCDS User
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    Thanks for the reply Dana.

    I tried Coding 0423997, but that just removes the comfort functions with remote. Coding 0423997 - 4096 SAE Rear Lights (PR-A8U) gets the tail lights working like I want but the fuel lid still opens when the car is unlocked every time like before.

    My WSC, Importer and Equipment numbers are non-zero, I have them set to: 02335 785 00200.

    Is there any other place in Adaptions where the Fuel Lid Unlock via Driver Door Button can be added?

    I know (for example) on the B7 on channel 61 there are these options:
    +1 = Rear Mechanical Window Regulators (PR-4R5) installed
    +2 = Footwell Lights (PR-QQ1) installed
    +4 = Fuel Tank Lid/Flap Release Button (PR-4K2/4K8) installed

    In the C6 channel 61 is only window open/close comfort options.

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