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D4 - 64 Plate : Start / Stop Fault...
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HSELR4
 


Member Since: 16 Nov 2017
Location: Manchester
Posts: 107

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4
D4 - 64 Plate : Start / Stop Fault...

My start stop fault has been with me for some time. It doesn’t affect the car and in fact, I prefer it being off by default.

The issue is that, I want to trade the car in and I know they’ll knock me down for the dash light / stating it’s not working.

Anyway; with it being under warranty; I’ve asked to have it looked at and sorted but they say it’s a battery issue, most likely, and therefore the warranty won’t cover it...

What’s the likely issue and ballpark costs?
  
Post #212146816th Feb 2020 12:32 pm
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spiderlane
 


Member Since: 17 May 2017
Location: London
Posts: 94

2010 Discovery 4 3.0 TDV6 HSE Auto Buckingham BlueDiscovery 4

I had this on my (previous) 2015 car. Replaced the battery with one of these : https://www.ebay.co.uk/itm/EK151-Exide-Sto...2181822822 and the yellow dash light went away (Stop start still didn't work however!)

Good luck,
Mark
  
Post #212146916th Feb 2020 12:35 pm
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HSELR4
 


Member Since: 16 Nov 2017
Location: Manchester
Posts: 107

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4

Wow! Nice one.

I’ll investigate further and may well give this a go!
  
Post #212147116th Feb 2020 12:43 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Have both batteries tested. Either battery being low/faulty will prevent the stop/start from functioning Thumbs Up
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Post #212147216th Feb 2020 12:45 pm
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spiderlane
 


Member Since: 17 May 2017
Location: London
Posts: 94

2010 Discovery 4 3.0 TDV6 HSE Auto Buckingham BlueDiscovery 4

Yes good point! I measured both mine and the little stop/start one was reading something like 8V when disconnected so clearly it was dead.

Cheers
Mark
  
Post #212147316th Feb 2020 12:46 pm
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Oswiperus
D3 Decade 


Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1590

United Kingdom 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

Yep, I had a similar voltage to you and the warning light. Changed it and no more warning light. Thumbs Up
 Stu

2016 D4 Landmark current
2022 Defender D300 SE Gone Sad
D4 2014 XS Commercial - Gone Sad
D4 2016 hse lux montalcino red - Gone
D3 2005 se java black - current
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D2 1999 TD5 E white - current 
 
Post #212147716th Feb 2020 12:56 pm
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HSELR4
 


Member Since: 16 Nov 2017
Location: Manchester
Posts: 107

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4

Is this the same / right one?

LINK: https://rover.ebay.com/rover/0/0/0?mpre=ht...2857933058

Also, easy to fit? I thought the car’s computer had to be told that there has been a new battery put in...

I suppose I could call Land Rover Assist and have them do the battery and computer (bit cheeky but they are always sound).
  
Post #212147816th Feb 2020 12:56 pm
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Oswiperus
D3 Decade 


Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1590

United Kingdom 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

Yes that's the right one. Just popped mine in and it was fine.
 Stu

2016 D4 Landmark current
2022 Defender D300 SE Gone Sad
D4 2014 XS Commercial - Gone Sad
D4 2016 hse lux montalcino red - Gone
D3 2005 se java black - current
D3 2005 base manual - gone Sad
D2 1999 TD5 E white - current 
 
Post #212148016th Feb 2020 12:59 pm
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spiderlane
 


Member Since: 17 May 2017
Location: London
Posts: 94

2010 Discovery 4 3.0 TDV6 HSE Auto Buckingham BlueDiscovery 4

I got the part number from this thread : https://www.disco3.co.uk/forum/my14-stopst...66099.html

...which I understood to be identical to the LR supplied one, just without the LR branding.

Just swapped it out in about 10 minutes, didn't change any coding etc...
  
Post #212148116th Feb 2020 12:59 pm
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Gary_P
 


Member Since: 03 May 2016
Location: Kent
Posts: 1505

Ukraine 2016 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

It’s a main battery change that requires the vehicles Battery Management System to be told you have put in a new battery. The small battery can just be swapped over.
When the small battery fails, the normal symptom is the Eco stop start warning light, where as when the main battery gets too low to stop start to work you don’t get any specific indication (of course it will give spurious other warnings when it gets every low. There can be other causes of that Eco warning light so good idea to do a voltage check on the small battery first. Mine was well below 12v so I new it was shot, and my CTEK charger couldn’t revive it.
The small battery is in the box on the opposite side to you main battery (it’s on the drivers side) . The small battery is under £50 although if you get the LR branded one it is nearer £150, and they are exactly the same. Easy swap out. The most difficult but was getting the red terminal cover unclipped. No resets and no lost info, code entry or anything else afterwards.
A few forum posts on here about doing it. Come back if you get stuck.
Cheers
 Gary
-------------------------------------------

Discovery 4 HSE 2016MY 
 
Post #212149516th Feb 2020 1:56 pm
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Gary_P
 


Member Since: 03 May 2016
Location: Kent
Posts: 1505

Ukraine 2016 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

Link to similar and informative thread

https://www.disco4.com/forum/my14-stopstar...99-15.html
 Gary
-------------------------------------------

Discovery 4 HSE 2016MY 
 
Post #212150216th Feb 2020 2:14 pm
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HSELR4
 


Member Since: 16 Nov 2017
Location: Manchester
Posts: 107

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4

Thank you SO MUCH everyone!

I’m ordering the battery this evening.
  
Post #212152016th Feb 2020 3:18 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Gary_P wrote:
It’s a main battery change that requires the vehicles Battery Management System to be told you have put in a new battery. The small battery can just be swapped over.


Incorrect. The BMS has reset procedures for both batteries Thumbs Up
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Post #212154216th Feb 2020 4:00 pm
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Somerset Bumpkin
 


Member Since: 08 Mar 2015
Location: Gosport
Posts: 234

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Causeway GreyDiscovery 4

Had the same on my 2015 last year. Replaced both batteries and warning light went away, but stop start still didn’t work. But LR then told the ecu it had new batteries at its service shortly after and it’s been working perfectly ever since.
  
Post #212210018th Feb 2020 11:16 pm
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galwaygreen
 


Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525

United Kingdom 2016 Discovery 4 3.0 TDV6 Graphite LE Auto Loire BlueDiscovery 4

never use ours....pita...switch the ,ocker off
  
Post #212210118th Feb 2020 11:18 pm
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