 | Home > Td5 > Not responding to keyfob |
 
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6479   
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Are there any reasons, other than a flat keyfob battery, why my Td5 won't respond (immobilise/unimmobilise/flash hazards) to pressing the keyfob buttons?
 1988 90 Td5 NAS soft top
2015 D90 XS SW |
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7th Jul 2012 12:54pm |
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| bob neville Member Since: 30 Apr 2009 Location: Marbella Posts: 3247  
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Long shot but does the fob need to be re sync'd ?
With vehicle unlocked, take battery out of fob and then hold both buttons down for 10 seconds to drain residual power. Battery back in then press lock four times and unlock once. That will sync the fob back to the ECU. Bob 2015 Jaguar XE240 R Sport - goes like ....... !! 2013 Defender 90 CSW - sold 2009 Defender 110 Double Cab - sold 2001 TD5 90 CSW - offroad project - sold to a forum member 2011 Porsche Boxster - for the sunny days ! |
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7th Jul 2012 1:38pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6479
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I'll give that a shot, thanks Bob
1988 90 Td5 NAS soft top
2015 D90 XS SW |
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7th Jul 2012 2:35pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6479
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Absolutely, changed the battery and went through Bob's procedure and it's all ok again!
1988 90 Td5 NAS soft top
2015 D90 XS SW |
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7th Jul 2012 6:47pm |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069 
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Bob for president
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7th Jul 2012 7:17pm |
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| JWL Member Since: 26 Oct 2011 Location: Hereford Posts: 3443  
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Had a mate phone me up not too long ago where the same thing had happened.............at 11 o'clock at night
 He'd got back to his Disco 1(near enough same set up alarmwise) and couldn't get it to start, he'd opened it but I reckon as he was putting his kit back in he had been pressing the button in his pocket when out of range. Whilst he'd been faffing about trying to sort it out himself he'd set the alarm off, that made him popular with the wildlife! Just popping the batteries out and leaving it at least 10 seconds before putting them back in and resyncing sorted it out |
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7th Jul 2012 9:23pm |
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| Franco-British Member Since: 02 Feb 2020 Location: London Posts: 1 
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I went through Bob's recommendation a few weeks ago and everything worked fine for a while but now, after a few days of not using the keyfob to lock / unlock, I have got no immobiliser (I stick the key, turn it and the car starts) and the keyfob won't re-sync. I tried the fuses and they all seem fine, INCLUDING F8 which triggered the alarm horn when removed?!? I am confused. Thank you
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3rd Feb 2020 5:30pm |
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| ARC99 Member Since: 19 Feb 2013 Location: North Yorkshire Posts: 1831 
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We think Land rover alarms are odd.
Two years ago I was staying in Plymouth for a few days and needed a motor as I hadn't taken mine down on a 400 mile each way trip, anyway hired a Jeep Grand Cherokee with 200 mile on the clock arrived at the Hotel and was getting luggage out of the back when the doors locked and the auto boot lid started to close I jammed the bags on the closing lid and grab the keys off the boot floor. It turns out there is a setting from the factory which after 5 minutes locks all doors including the boot, the setting is only altered if you ask at time of delivery Don't make old people mad. We don't like being old in the first place, so it doesn't take much to  us off.
Richard |
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3rd Feb 2020 6:56pm |
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| ngins Member Since: 15 Jan 2017 Location: Down South Posts: 69 
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thanks as always to this forum that got me back into my defender when the fob just packed it in and I presume the spare fob wasn't coded to the car - all back up and running now - PHEW! was a bit hot under the collar as the alarm blared away for a while there! However as an aside, is there any way to get it going with just the key if the fob dies again? I can obviously get into the car but is there any ignition key sequence or something you can use to disable the alarm and immobiliser if the fobs die as I have both original keys, or if they are dead is that, that? The main thing is that I am up and running again and I will make a note to change the key fob batteries more regularly having got stuck - although I am sure I'll forget/get lazy eventually so its good to have a plan B.
Update - I searched a bit more so it’s EKA - emergency Key access. I haven’t tried it yet. Sounds like it will be noisy! |
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5th Feb 2020 2:59pm |
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| Geoff S Member Since: 28 Dec 2022 Location: Hampshire Posts: 1 |
Thank you, new to the Defender and helped someone out by replacing battery in remote Fob. Didn’t realise I needed to follow a procedure until it didn’t work after. This processs worked and 2005 90 TD5 working again. Many thanks !!! |
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29th Dec 2022 1:13am |
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