 | Home > Td5 > 2005 110 TD5 alarm keeps going off randomly |
 
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| Jerry Member Since: 13 Nov 2015 Location: Cardiff Posts: 199  
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could be something simple like condensation, spiders or moth....worth looking at before you get a garage to check it at great expense. For condensation, silica gel works well (see if theres a correlation with really cold & damp weather outside + triggered at night). If insects - spray. (my neighbours merc alarm kept going of at random in the nights - he eventually found a dead moth on the back seat and no more alarm triggers). good luck.
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20th Nov 2024 1:41pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17443  
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The 10AS unit can be interrogated with a diagnostic tools such as Nanocom to see what (i.e., which switch or sensor) triggered the alarm. Generally this is the sensible first step in diagnosing the cause.
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20th Nov 2024 2:47pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5726 
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Bypass bonnet switch as a test. But I had similar once and was the drivers door central locking mechanism, only did it when cold.
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20th Nov 2024 6:07pm |
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| 4RF RDS Member Since: 19 Jul 2015 Location: Ottawa Posts: 940  
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Very common issue is the bonnet switch up by the firewall. Bend the mounting bracket up about 1mm and see what happens
Good luck 2010 Range Rover MkIII Autobiography Super Charged (Idris) 2003 Range Rover Mk III (Desmond FitzWilliam) 2000 Defender 110 CSW TD5 (CTX) 1992 Range Rover Classic (Lizzy) 1972 Series III 300 Tdi (Stanwood) 1967 MGB GT Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats. H. L. Mencken (1880 - 1956) |
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22nd Nov 2024 6:55pm |
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| bankz5152 Member Since: 02 Feb 2017 Location: South London/North Kent Posts: 2173 
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I would unplug the volumetric sensor, that was the fault on mine for a while.
As suggested the bonnet switch. It could also be any of the door switched randomly earthing out and the car thinking a doors opened when the alarms set. Also easy to check. You can also lock the door with just the key, it will lock the doors but not arm the 10as Instagram @defender_ventures Empire Tuning - Agent |
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22nd Nov 2024 7:35pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20441
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Check the battery voltage as well, it might be dropping below expected values. $W33T $0U7H3RN $UG4R
🇬🇧🏴🏴🏴🇮🇪🇺🇸⛽️🛢️⚙️🧰💪 |
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22nd Nov 2024 8:01pm |
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