Discovery 2017

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  • Andy p
    Member Since: 21 Jun 2026
    Location: Lytham St Annes
    Posts: 2
    United Kingdom 

    Auto stop start

    Is it possible to disengaged the autobstop start on my d5 and if so how
    I find really annoying when it switches of for a few seconds then Sad back on
    Say at a set of traffic lights
    27th Jun 2026 7:25 pm
  • BAZ8046
    Member Since: 23 Apr 2026
    Location: Kent
    Posts: 29
    United Kingdom 
    2022 Discovery Td6 S Carpathian Grey

    Hi Andy,
    You can turn it off in the menu but it will only last until you start the car again.
    Unfortunately the stop start defaults to always on every time the ignition is cycled.
    The car can be configured to retain the last setting but this will need a GAP IID tool or similar that can edit the car configuration files.
    If you do want to do this let me know and I’ll find the settings you need to change.
    It was the first job I did when I got my D5.
    Hope this helps.
    27th Jun 2026 9:43 pm
  • Andy p
    Member Since: 21 Jun 2026
    Location: Lytham St Annes
    Posts: 2
    United Kingdom 

    Hi mate
    I've got a gap lld i need to get it updated from a d3 to d5
    Haven't had chance yet , but yes defo want to get it switched off
    Find it really abandoned keep thinking of a starter motor !!
    Rolling Eyes 🤣
    27th Jun 2026 10:21 pm
  • JonM
    Member Since: 30 Jun 2016
    Location: North Yorkshire
    Posts: 711
    United Kingdom 
    2022 Discovery SDV6 HSE Carpathian Grey

    You can program the function of the "favourite " (diamond) button on the steering wheel to turn off stop-start. You'll still need to press it every journey, but it's just one button press.
    MY2026 D5 Metropolitan D350 - finally arrived after the cyber attack.
    MY2022 D5 HSE D300 - sold....MY2019 D5 HSE SD6 - sold
    27th Jun 2026 11:14 pm
  • BAZ8046
    Member Since: 23 Apr 2026
    Location: Kent
    Posts: 29
    United Kingdom 
    2022 Discovery Td6 S Carpathian Grey

    Hi, yes I’m sure it can’t be good for the car and used to drive me mad if I forgot to disable it.
    The details are here in this excellent post from Mole:

    https://disco5.co.uk/forum/thread4188.html

    Certainly for the facelift cars you will need the current GAP tool as unfortunately the newer cars use a different protocol. Not sure about the earlier models.
    28th Jun 2026 9:39 am
  • Mole HD
    Member Since: 19 Nov 2024
    Location: Orkney Islands
    Posts: 855
    Scotland 
    2017 Discovery Td6 HSE Fuji White

    Thanks Baz.

    The D5 needs the G4 version of the IID tool. The G3 version has limited functionality on a D5, the G2 version has even less. Not sure if you can upgrade the G2 version to the G4, I'd email GAP support and ask first. Currently, the IID tool doesn't cover MY2026 models.

    I upgraded my IID tool from the G3 I bought for the Disco 4 to the G4 version via the GAP website. The upgrade costs £220 and involves you sending the G3 version back to GAP Diagnostics in Canada (postage is included in the cost), they then send you a new G4 version by return post.

    It's not cheap...but you get what you pay for with an IID tool, it does exactly what it says on the tin. I even bought a fancy schmancy hardshell case for mine. eBay link
    ...Custom designed, 3D printed to very high quality in ABS and sold by a D5 owner and forum member. You know you want one... Wink






    Last edited by Mole HD on 28th Jun 2026 12:29 pm. Edited 4 times in total
    28th Jun 2026 11:31 am
  • JonM
    Member Since: 30 Jun 2016
    Location: North Yorkshire
    Posts: 711
    United Kingdom 
    2022 Discovery SDV6 HSE Carpathian Grey

    The newest JLR vehicles (including the current D5 models) have locked down the CCF. Making even the Gen4 IID just a code reader on these vehicles.

    Quote:
    For model year 2026, JLR implemented Secured Diagnostic in certain region including Europe and Australia. Functions are limited for these cars, CCF and Flashing for example cannot be used.

    MY2026 D5 Metropolitan D350 - finally arrived after the cyber attack.
    MY2022 D5 HSE D300 - sold....MY2019 D5 HSE SD6 - sold
    28th Jun 2026 12:10 pm
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