Benners66
Member Since: 09 Mar 2016
Location: Southampton
Posts: 86
  
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| Getting desperate. Alarm issues return... |
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Hi all.
I'm hoping someone can give me an idea what to look for.
I've been prepping my D3 to sell and an alarm issue I was sure was fixed had returned. Its triggering randomly where 1 press or 2 press on the lock button.
So replaced the bonnet catch (now shorted as per other posts just in case), battery & door latch. Fault codes were showing the door lock which was why that was replaced. Low voltage was showing hence the new battery.
It behaved for weeks, then returned in the last couple of days. I've cleaned inside and its empty so don't think there us a moth or similar causing it.
At the moment its stopping me advertising it as who wants a car which alarms randomly.
If anyone can offer any thoughts I'd be hugely grateful!!! Its a damn good car with a silly fault and its driving me mad!!
Thanks
Ben
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 5th May 2019 10:05 am |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10684
 
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what fault codes are you getting? now
if you don't have a reader, another idea.....
ensure the interior lights are enabled to come on when doors are opened.
drive along a bumpy road at dusk and see if the interior light flashes on. (have passenger to watch it)
quickly look at the dash board to see what door is stated to be open.
check the likely messages before hand, or have a phone camera record the dash board on the journey.
e.g passenger rear .....
tailgate
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| 5th May 2019 11:49 am |
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Narpy
Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830
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You might have a slowly dying alternator which isn't charging your battery properly and when it gets too low, your alarm starts playing up.
This appears to be confirmed by you replacing the battery and everything was ok for a while, until the power eventually dropped again and all your symptoms returned.
I'd fully charge that battery with a CTek and see if your symptoms miraculously disappear again.  Mods:
Front Fogs + Halos
FBH Remote Control
The 1st Ever RRS Modded Grill
Garmin Nuvi + D4 Surround + Reversing Camera.
D4 Steering Wheel.
Rear Boot Spoiler.
Twin Brake Lights.
Wing Mirror Indicator Repeaters.
Long Roof Rails
Make your own Narpy grill thread
I'm not scared, I'm outta here.
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| 5th May 2019 12:05 pm |
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Benners66
Member Since: 09 Mar 2016
Location: Southampton
Posts: 86
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Thank you for the quick replies.
As I seem to have exhausted all of the regular faults I'm willing to try anything.
For some unknown reason. Since I posted this message it's not gone off once. It seems yo be time of day dependent, as it behaved yesterday day time, and went off in the evening. If similar happens today, that may be a clue also.
Will let you know if I have any developments/answers.
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| 5th May 2019 2:51 pm |
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aja4x4
Member Since: 14 Apr 2019
Location: Westbury
Posts: 2463
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A faulty battery in the siren will also trigger it, i have read on here somewhere that you can disconnect the siren and the alarm will start using the horn instead.
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| 5th May 2019 4:19 pm |
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Benners66
Member Since: 09 Mar 2016
Location: Southampton
Posts: 86
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Thanks for this idea. Another thing to Google.
This forum is such a great place. I would have struggled so much without it!
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| 5th May 2019 8:52 pm |
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Benners66
Member Since: 09 Mar 2016
Location: Southampton
Posts: 86
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I thought the alarm sounder sounded like a great idea....but no. Alarm triggered again, but this time 10x louder and at 7:30am 
Time to check the battery and alternator. I don't think it's that as a mechanic friend did some test readings a few weeks back and said the alternator appeared ok...
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| 6th May 2019 9:09 am |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10684
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I did wonder if that would be the result 
Was it you who was suspecting the tailgate?
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| 6th May 2019 9:48 am |
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Benners66
Member Since: 09 Mar 2016
Location: Southampton
Posts: 86
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Tailgate?????
Nope, not me, but now you mention it, it's been not shutting correctly for quite a while. Just not grabbing like it should.
If it's that I'll be a very happy man!!
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| 6th May 2019 11:53 am |
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Benners66
Member Since: 09 Mar 2016
Location: Southampton
Posts: 86
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Well, after no joys I went to see a friend who works the LR dealer today to see if they could shed any light.
Plugged into into their computers and the alarm trigger showed 'inclination alarm' and 'intrusion detected'. I can't seem to add the photo of the screen.
UK spec D3 do not have tilt sensors on the alarms, so the assumption was it was the internal sensor with was disabled. This was not it, as again this evening the alarm triggered.
I don't believe it is the alternator as it did not stop when I fitted a new battery (the wife remember that fact).
It seems to be with outside temperature. At the moment it seems to be in the evening, or as the sun hits it in the morning. Can anyone think of a link??
It's near on worthless at the moment with this issue. Can't sell a car which alarms all the time!
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| 11th May 2019 8:04 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10684
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Unplug the ultrasonics sensor in the middle of the roof and see if that sorts it.
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| 11th May 2019 8:29 pm |
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Benners66
Member Since: 09 Mar 2016
Location: Southampton
Posts: 86
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Would that be part of the drop down DVD module?? I'll get the book out and check in a bit. Just swapping all LED internal bulbs back to old style on another suggestion.
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| 11th May 2019 8:38 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10684
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Humm it is near there.
Can’t remember what they did with the dvd there
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| 11th May 2019 9:43 pm |
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Narpy
Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830
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Have you fully charged the battery? Mods:
Front Fogs + Halos
FBH Remote Control
The 1st Ever RRS Modded Grill
Garmin Nuvi + D4 Surround + Reversing Camera.
D4 Steering Wheel.
Rear Boot Spoiler.
Twin Brake Lights.
Wing Mirror Indicator Repeaters.
Long Roof Rails
Make your own Narpy grill thread
I'm not scared, I'm outta here.
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| 12th May 2019 4:53 am |
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Benners66
Member Since: 09 Mar 2016
Location: Southampton
Posts: 86
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It's on charge now. I don't believe it's that, but I need to try everything!!
Can anyone say where the ultrasonic sensor is, when there is a DVD module fitted?? Can find this info.
Cheers all!
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| 12th May 2019 9:15 am |
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