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battery coding/advice

Discussion in 'Q3, Q5 & Q7 Forum' started by vw754, Mar 4, 2013.

  1. vw754
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    vw754 vorsprung Durch Technik

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    [Mar 4, 2013]
    My q7 3.0 tdi.........is draining the battery,its ok if i go to it 12/13 hours later but after that its flat !

    Ive been told by audi i can charge it via points under the bonnet,which im doing now.........i have vcds how can i check if something is draining it or the batterys shot?

    Audi replaced it in may 2011 so its not 2 years old yet

    Like i said i have vcds,but dont know how test whats draining it etc........please help.

    also how do i recode new one?
    #1
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  3. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Mar 4, 2013]
    Why not ask Ross-tech for help if you have VCDS.
    #2
  4. vw754
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    vw754 vorsprung Durch Technik

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    [Mar 4, 2013]
    good thinking ! il do that now.
    #3
  5. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Mar 4, 2013]
    Only if you have a genuine interface.
    #4
  6. vw754
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    vw754 vorsprung Durch Technik

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    [Mar 4, 2013]
    that i do have...i love genuine !
    #5
  7. gen.heinz guderian
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    gen.heinz guderian Well-Known Member Regional Rep VCDS Map User

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    [Mar 5, 2013]
    Have you checked the Battery is correct for your vehicle?
    You can check battery through vcds. See what voltage it is with ignition off/running. Any lights in boot turned on ?
    #6
  8. vw754
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    vw754 vorsprung Durch Technik

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    [Mar 5, 2013]
    with ign on it was dropping to 1180 ish.....with engine running it was 14.15v and generator 14.30

    i removed the battery from the car yesterday and it was this battery.......Halfords | Halfords Lead Acid Battery HB019.

    dated 05/12

    its not coded some other battery is.....i think a varta one,as i checked with vcds,i removed it and charged it on max charge for 5 hours yesterday.....il re-check it tomorrow see if its getting flat
    #7
  9. vw754
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    vw754 vorsprung Durch Technik

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    [Mar 7, 2013]
    #8

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