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olympicliftingpaulf
Member Since: 22 Apr 2019
Location: Leek
Posts: 27
  
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Hello all,
Hope you are all well.
I have just bought a 2015 D4 to replace my own aging 2011 D4, mostly as it has done 130000 less miles.
All seems fairly well with the small matter that it doesn't seem to want to recognise the keys most of the time.
Initially for one of them it gave the warning of low battery, so I duly replaced them in both.
Now, unless I hold the key under the steering column it won't pick up either.
The person who I bought it off said older batteries in the fobs seem to work better even if with a low battery warning. I am inclined to think this isn't the best way forward though.
I've looked at some other posts and I don't have the key near my phone and no, leaving it 5 minutes or rubbing it didn't work either.
As ever, any help and advice will be very much appreciated.
(Quite glad I decided to keep my older Disco for a few weeks.......). 
Thank you.
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 24th Oct 2024 5:30 pm |
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markate
Member Since: 17 Sep 2011
Location: England
Posts: 704
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Some have said using Duracell batteries can solve the problem.
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| 24th Oct 2024 6:48 pm |
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olympicliftingpaulf
Member Since: 22 Apr 2019
Location: Leek
Posts: 27
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Hi, unfortunately not I am afraid.
They are Duracell CR2032. For my older Disco I had Energizer ones but all worked fine on that anyway.
But thank you anyway.
Paul
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| 24th Oct 2024 7:25 pm |
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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6415
 
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i would check main battery on that bus and read the codes off of it as its defo not normal
it might be pain to get to but I would check if smart key antenna is connected properly and was not fiddled with its under the main cenre section of the dash
good luck
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| 25th Oct 2024 6:09 am |
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KPTV8
Member Since: 05 Feb 2012
Location: Itinerant !! (Scotland/Donegal)
Posts: 191
 
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Also maybe worth quick check that the springy battery contacts, where they touch the lithium cell, are really clean and pressing firmly onto the cell ? Otherwise you could have a poor electrical contact between the key fob and its battery .............
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| 25th Oct 2024 11:44 am |
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itsaguything
Member Since: 20 Dec 2023
Location: Manotick, On
Posts: 262
 
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Firstly, if placing the fob under the steering wheel column, there is no reliance on the fob battery.
Secondly, any high quality name brand battery will suffice, provided it is not beyond the expiry date or depleted.
Thirdly, and most importantly, had the fob not be recognized under the column, there are a few possible culprits:
- dead battery in vehicle.
- fob (security key) not recognized by security system.
- security system failure.
What codes are being thrown. 2015 LR4 HSE Lux Aintree Green
2013 LR2 HSE Radiance Red
2007 XKR Jaguar Racing Green
2005 XJR Jaguar Racing Green
2002 S-Type R British Racing Green
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| 25th Oct 2024 1:47 pm |
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1784
Member Since: 04 Sep 2009
Location: Almunge
Posts: 170
  
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Reference to a similiar issue I had in the past. Not the first thing to check but if all the obvious things checks out...
https://www.disco3.co.uk/forum/smart-keys-...75352.html Defender 110 SE 2021, Tasman Blue
Discovery 1 V8 ES 1997, Epsom green
Discovery 3 V8 HSE 2006, Bonatti Grey
Range Rover V8 1983, Sierra Silver
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| 25th Oct 2024 2:32 pm |
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