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Thread: Capacity and health data on high voltage batteries in VAG EVs and Plugin Hybrids?

  1. #11
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    Data from a Golf GTE (2015 53k km) from 19-Gateway:

    ENG106155-ENG118436,EM_prcSoh-SOH_P,85, %
    ENG106155-ENG118435,EM_prcSoh-SOH_Q,85, %

    IDE09074-MAS08256,Vehicle properties-Max energy content,5800, Wh
    IDE09080-MAS08265,Energy storage unit-Energy content of HV battery: RWB-internal deduction,4825, Wh (Remaining/state of charge perhaps?)


    What does 'Max energy content' look like on yours @Andy?
    (now and earlier reading if you have the data).
    Last edited by bjornb; 01-26-2019 at 08:23 PM.

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  3. #12
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    ;Friday,08,December,2017,16:03:28:29905
    Mileage: 78km-48mi
    IDE09074-MAS08256,Vehicle properties-Max energy content,1.6896e+006, Wh
    IDE09080-MAS08265,Energy storage unit-Energy content of HV battery: RWB-internal deduction,2025, Wh

    ;Tuesday,24,July,2018,16:04:02:58389
    Mileage: 7054km-4383mi
    IDE09074-MAS08256,Vehicle properties-Max energy content,1.7152e+006, Wh
    IDE09080-MAS08265,Energy storage unit-Energy content of HV battery: RWB-internal deduction,5775, Wh

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  5. #13
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    Quote Originally Posted by Andy View Post
    Max energy content,1.6896e+006, Wh
    Max energy content,1.7152e+006, Wh
    Strange, perhaps they are coded or obfuscated in some way on newer cars..?

  6. #14
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    Quote Originally Posted by bjornb View Post
    Strange, perhaps they are coded or obfuscated in some way on newer cars..?
    I agree that is strange. Somehow I don't think he has a 1.6 or 1.7 MWh battery.

    -Uwe-
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  8. #15
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    sorry for reviving an old post, but I have some related questions, it'd be great if anyone could answer these

    1. how can we know this is for the HV battery not for the 12v battery?

    2. What P and Q stands for in SOH_P and SOH_Q?

  9. #16
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    Quote Originally Posted by yuyueyuyue View Post
    sorry for reviving an old post, but I have some related questions, it'd be great if anyone could answer these

    1. how can we know this is for the HV battery not for the 12v battery?

    2. What P and Q stands for in SOH_P and SOH_Q?
    okay, to answer my own question #2,

    SOHp is the ability to produce power relative to the nominal value of the battery.

    SOHq is the present max capacity relative to the nominal value.

    But I still don't know if this is for the HV battery or the 12v battery... the fact this measuring value is burried in 19 CAN Gateway raises a question mark to me.

  10. #17
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    I connected my Hex-Net (using a laptop) to an e-tron EV (MY 2020) today. Tried to do an Auto-Scan with debug level 2 activated, but the application just crashed when starting (v 19.6.2).

    I then went to applications and controller map, and I have adpmap and blockmap for many of the modules, but it also crashed when it tried to scan the 'CE-Drive Motor 2' module.

    I can send you what I have if you are interested. Where can I retrieve logs related to the application crash?
    Last edited by bjornb; 11-03-2019 at 04:56 PM.

  11. #18
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    Please send what you have to support.

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  13. #19
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    In my 2015 1.4 TSI MQB car the CAN gateway also shows these exact parameters:
    ENG106155-ENG118436 EM_prcSoh-SOH_P
    ENG106155-ENG118435 EM_prcSoh-SOH_Q
    They have to be for the 12V battery.
    I don't think VW re-used those exact parameters for the HV battery in EV/hybrid vehicles.

    The SOH_Q parameter and specific the letter Q could be related to electric charge (coulomb) -> this can be expressed in Ah, ampere hours.

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