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Thread: Battery coding Varta battery using address 61

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    Battery coding Varta battery using address 61

    My 2005 Audi A8 uses address 61 for battery coding. My Varta battery has the letter "O" instead of zero in the vendor code. I am not able to change the vendor code when I select Varta as the vendor, it is auto populated. The Ross-tech "how to" says in this situation you can try the letter "O" or zero and see which works best. My charging system has been giving me headaches with an OEM battery installed by an Audi dealer. I've been screwing around with coding. Anyone know how to change the vendor code?

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    Are you changing the battery with one of the same size, 110ah in the D3? I ask because all D3 owners on a UK forum change the last digit in the code with +1. Whether rightly or wrongly, but it does reset the BEM.

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    Benevolent Dictator Uwe's Avatar
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    Can we get an Auto-Scan please so we can see what you've got in there now?

    The actual coding string is just ASCII. Here's example from another car:

    Code:
    303030393135313035444B56413030323036323752305A35
     0 0 0 9 1 5 1 0 5 D K V A 0 0 2 0 6 2 7 R 0 Z 5
    That coding string can be changed directly if you choose.


    -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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    Yes it is 110ah. Where Do you enter the "1"? As I said the vendor code can't be edited. I will do a scan as soon as I can.

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    Quote Originally Posted by Uwe View Post
    Can we get an Auto-Scan please so we can see what you've got in there now?

    The actual coding string is just ASCII. Here's example from another car:

    Code:
    303030393135313035444B56413030323036323752305A35
     0 0 0 9 1 5 1 0 5 D K V A 0 0 2 0 6 2 7 R 0 Z 5
    That coding string can be changed directly if you choose.


    -Uwe-
    Does the BEM know the battery capacity for all battery part numbers?

    Your example Uwe shows 000915105DK and therefore the BEM knows this is 95Ah capacity? Likewise 000915105AK is 110Ah... etc?
    Last edited by mattylondon; 11-28-2018 at 10:39 AM.

  6. #6
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by mattylondon View Post
    Does the BEM know the battery capacity for all battery part numbers?

    Your example Uwe shows 000915105DK and therefore the BEM knows this is 95Ah capacity? Likewise 000915105AK is 110Ah... etc?
    I'm not sure what those old-school BEMs at address 61 know. My guess is that they do not, and just assume the capacity is "stock".

    -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. Likes mattylondon liked this post
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    Here is the battery (https://ibb.co/phqVnjj), and a scan of the address 61:

    Address 61: Battery Regul. Labels: 4E0-910-181.lbl
    Part No SW: 4E0 910 181 C HW: 4E0 915 181 C
    Component: J0644 BEM H12 0510
    Revision: 00000000 Serial number: 00000000000944
    Shop #: WSC 09052 002 1048576
    VCID: 20191E7BD6C14AF7BE5-8074

    Subsystem 1 - Part No: 000 915 105 DL
    Component: von VA0 351116G13U
    Coding: 303030393135313035444C56413033353131313647313355
    Shop #: WSC 49187 001 104857

    5 Faults Found:
    01320 - Control Module for Climatronic (J255)
    004 - No Signal/Communication - Intermittent
    Freeze Frame:
    Fault Status: 00100100
    Fault Priority: 5
    Fault Frequency: 42
    Reset counter: 215
    Mileage: 159122 km
    Time Indication: 0
    Date: 2018.11.03
    Time: 13:27:58

    00456 - Control Module for Access and Start Control (J518)
    004 - No Signal/Communication - Intermittent
    Freeze Frame:
    Fault Status: 00100100
    Fault Priority: 5
    Fault Frequency: 18
    Reset counter: 215
    Mileage: 159122 km
    Time Indication: 0
    Date: 2018.11.03
    Time: 13:27:58

    01336 - Company Data Bus for Comfort System
    004 - No Signal/Communication - Intermittent
    Freeze Frame:
    Fault Status: 00100100
    Fault Priority: 5
    Fault Frequency: 7
    Reset counter: 203
    Mileage: 159122 km
    Time Indication: 0
    Date: 2018.11.03
    Time: 15:16:59

    01299 - Diagnostic Interface for Data Bus (J533)
    004 - No Signal/Communication - Intermittent
    Freeze Frame:
    Fault Status: 00100100
    Fault Priority: 5
    Fault Frequency: 4
    Reset counter: 215
    Mileage: 159129 km
    Time Indication: 0
    Date: 2018.11.04
    Time: 11:35:30

    02256 - Quiescent Current
    001 - Upper Limit Exceeded - Intermittent
    Freeze Frame:
    Fault Status: 00110001
    Fault Priority: 7
    Fault Frequency: 2
    Reset counter: 215
    Mileage: 159731 km
    Time Indication: 0
    Date: 2018.11.14
    Time: 18:55:37



    I totally understand if I get no reply because I took so long. I am trying right now to stop my 5 year old from pressing all the buttons on the keyboard.

    I have a backup camera module that blips the CAN when it switches on, which I think creates a lot of these intermittent codes, but this was happening before I installed the camera.

  9. #8
    Benevolent Dictator Uwe's Avatar
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    Everything it knows is in the subsystem coding:

    Subsystem 1 - Part No: 000 915 105 DL
    Component: von VA0 351116G13U
    Coding: 303030393135313035444C56413033353131313647313355
    Shop #: WSC 49187 001 104857

    If you look at the bytes in the coding string, they're just ASCII representations of the manufacturer, part number and serial number.

    I don't think there's any way to explicitly tell change the battery type. If it has a clue about battery type, I'd expect that to be encoded in the part number somehow.

    -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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