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Thread: New Battery in a Discovery 4

  1. #1
    Join Date
    Nov 2020
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    Namibia
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    New Battery in a Discovery 4

    When I collected my 2nd hand Disco I found it with the battery dead. Replacing it with a new Probe 100AH battery was a no brainer. Now I hear that the new battery has to be registered with the cars system. Is it necessary? How is it done, resp. can I do it? The next LR dealer is more than 100km away. Thanks for advice!

  2. #2
    Join Date
    Apr 2008
    Location
    Brisbane,some of the time.
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    10,329
    What year is the vehicle, is it 3.0l or 2.7l?

    If it is 2.7l you will probably be fine,if it’s 3.0l yes it needs to be done.

    Most battery suppliers can do it these days.
    Paul

    Discoless for the first time in 21yrs

    '56 S1,been in the family since...'56

  3. #3
    Join Date
    Jun 2020
    Location
    Melbourne
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    not so much registered. you just need to reset the 'smart' BMS so it knows it's charging a new battery as it's slowly adjusts it's charging cycle as the battery ages and capacity is reduced. you can do it with an IID tool or I think you can also do it just by shorting the car terminals. Disconnect the battery and bridge the +ve and -ve leads from the *CAR* (NOT THE BATTERY... OBVIOUSLY). this I believe will reset the BMS.

  4. #4
    Join Date
    Apr 2012
    Location
    Whyalla, South Australia
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    You cannot do anything but a “hard reset” (think reboot) by shorting the cables.

    The BMS requires a tool
    Cheers
    Tombie

    D4 MY11 - Stormy

    D90 MY15 - Ike
    D2 TD5

    Tesla Cybertruck Tri-Motor AWD On order...due 2021
    Gone - D1 AZZKIKR - 5.0L Supercharged with the lot
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    Two wheels
    2007 Suzuki M109R LE
    2020 Suzuki Katana

  5. #5
    Join Date
    Mar 2015
    Location
    Horsham Victoria
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    Quote Originally Posted by Tombie View Post
    You cannot do anything but a “hard reset” (think reboot) by shorting the cables.

    The BMS requires a tool
    Will nanocom do this?
    So this is for d3 & D4 or just d4?

    Rob

  6. #6
    Join Date
    Apr 2012
    Location
    Whyalla, South Australia
    Posts
    3,293
    Quote Originally Posted by RobMichelle View Post
    Will nanocom do this?
    So this is for d3 & D4 or just d4?

    Rob
    Yes it can. Applies to 3.0s

    In D4 2.7s you can set the battery type and size to optimise charging.
    Cheers
    Tombie

    D4 MY11 - Stormy

    D90 MY15 - Ike
    D2 TD5

    Tesla Cybertruck Tri-Motor AWD On order...due 2021
    Gone - D1 AZZKIKR - 5.0L Supercharged with the lot
    Gone - Tombraider Defender - Lara
    Two wheels
    2007 Suzuki M109R LE
    2020 Suzuki Katana

  7. #7
    Join Date
    Mar 2015
    Location
    Horsham Victoria
    Posts
    474
    Quote Originally Posted by Tombie View Post
    Yes it can. Applies to 3.0s

    In D4 2.7s you can set the battery type and size to optimise charging.
    Wow New Battery in a Discovery 4
    Can we have today’s comfort with yesteryear simplicity ?

  8. #8
    Join Date
    Oct 2011
    Location
    Fremantle WA
    Posts
    3,103
    Quote Originally Posted by Tombie View Post
    Yes it can. Applies to 3.0s

    In D4 2.7s you can set the battery type and size to optimise charging.
    So presumably GapTool can do the same for a 2.7? If so, care to point me in the right direction as my elderly brain does not recall anything from reading the ops manual (in almost one continuous session).
    D4 MY10 2.7 6 speed from Apr 19 with LLAMS, long range tank and other goodies - for towing "The Brick"
    MY95 RRC LSE Vogue Softdash "Bessie" from Aug 13 - with MY99 TD5 and 4HP24 transplant. Back home Aug 20 after being off road for periods totalling 3.5 years
    SADLY SOLD MY04 D2a TD5 auto Classic

  9. #9
    Join Date
    May 2017
    Location
    Melbourne
    Posts
    1,400
    You know, I just took the old battery out and put the new one in.

    I checked the Land Rover manual and there’s nothing about having to reset the battery management system.
    Arapiles
    2014 D4 HSE

  10. #10
    Join Date
    Mar 2016
    Location
    Perth
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    2,476
    Quote Originally Posted by Arapiles View Post
    You know, I just took the old battery out and put the new one in.

    I checked the Land Rover manual and there’s nothing about having to reset the battery management system.
    Just because the manual doesn’t tell you, doesn’t mean the BMS doesn’t exist and doesn’t mean the ECU isn’t tracking your batteries ageing. You have a 2014 so it is a factor in the long life of your battery. Sure you don’t have to do it, but I’d suggest it will treat your battery as an aged battery and mistreat it.
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)

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