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LT
Member Since: 31 Dec 2005
Location: South West
Posts: 23571
  
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| D4 loss of keyless ignition mystery. |
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I've been out and about in the D4 this morning. Did several locks and unlocks, everything as normal.
Returned home to have breakfast, went to go and collect some firewood and it wouldn't start.
Locks and unlocks and the interior lights, sat nav and audio all come on. So battery (AGM) is ok. When I press the start button nothing happened. The screen stayed as it was with the picture of the D4 on it. No messages or anything.
So I thought I'd try the spare key. Checked that it opened and closed the vehicle, which it did, but again nothing when I press the start/stop button.
Had a look through the manual, but couldn't see anything relevant other than a mention of radio wave interference.
Anyway, just been out and tried it again and everything is back to normal and starts perfectly.
Any ideas? Could there have been some interference over the airwaves?
I've got a vague memory of something similar happening about 12 years ago when the key fob operated alarm/central locking wouldn't work for a short time on a car that had a Clifford alarm system on it.
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 11th Jan 2014 12:17 pm |
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DiscoDunc
Member Since: 08 May 2006
Location: Bristol
Posts: 16390
 
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try putting the keys up against the bottom of the steering column for a few seconds.
that works when it says "key cant be found", it may do some sort of reset. only had to do it myself twice in 4 years so not totally sure of the reasons.
stupid questions, you do have it in "P"ark don't you, and not drive etc ???
the pop up selector should return to P when you last switched off the engine though Duncan
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| 11th Jan 2014 12:27 pm |
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LT
Member Since: 31 Dec 2005
Location: South West
Posts: 23571
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Tried all those things Dunc  No screen messages at all.
My thoughts are that there was some radio interference going on.
See if it happens again, I suppose.
I did think about doing a hard reset, which used to work for lots of things on the D3, but it's working fine now 
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| 11th Jan 2014 1:50 pm |
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alastaid
Member Since: 31 May 2011
Location: York
Posts: 93
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Mine did this for first the time recently, however I had been faffing about trying to get the remote heater thingy working while inside the car. Basically, everything seemed to work except pressing the start button and starting the engine! After trying loads of things, including putting the key under the steering wheel, i got out, locked it, waited the 4 minutes or so until it went to sleep, re-opened it, and hey presto, started straight away, and off we went. Put it down to LR ownership  .
Cheers
Alastair
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| 11th Jan 2014 10:00 pm |
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tomtom86
Member Since: 09 Mar 2013
Location: Here and there
Posts: 590
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Lt, can you hear anything when pressing starter button? Fitted a new starter to a 2010 sport about 6 months ago for very similar symptoms, a faint click could be heard from the solenoid as you pressed starter button though
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| 11th Jan 2014 10:16 pm |
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Russell
Member Since: 24 Aug 2007
Location: Kent
Posts: 10564
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There have been issues with the brake pedal switch and it not operating a it should which results in the car thinking you do not have your foot on the pedal.
The other thing that might b worth trying is the gear lever, move it out of and back into neutral/park if you can. MY17 D5 1st Edition Namib Orange
MY15 D4 HSE Kaikoura Stone
MY12 D4 HSE Nara Bronze Sold and gone
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D3 S spec Silver Sold and gone
Tow bar, full length roof bars, side steps, tow bar storage unit, surround camers.
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| 11th Jan 2014 10:41 pm |
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LT
Member Since: 31 Dec 2005
Location: South West
Posts: 23571
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Thanks for the replies
Mmm, the infamous brake pedal did cross my mind. Might be worth changing for a new one.
Couldn't move the gear selector as it was locked firmly in Park.
No noise at all when I pushed the button.
It recognised the key for locking and unlocking, so the first stage of activation i.e audio/sat nav. interior lights etc. were all working.
It appeared to not recognise the key at all when I pressed the start/stop button though.
Let it sleep for about 10 mins and all was well again.
After a virtually faultless one year and 4 days of ownership, I was reminded of the joys of being a LR owner. Just like the old days of early D3 ownership
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| 11th Jan 2014 11:30 pm |
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M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8156
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May or may not be relevant, there was an clip on the news about a radio transmitter being used by thieves, the device emits radio waves to block car remotes and stop them working, the car is then left unlocked although the driver thinks he has locked it  It can when others can't,
It will when others won't,
It goes where others don't.
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| 12th Jan 2014 5:13 pm |
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