car alarm goes on for nothing

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Old 10-12-2015, 06:29 PM
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car alarm goes on for nothing

It start yesterday and sometime it can start every 10 min sometime its 3 time inn30 min its really suck is there something I can do?
Old 10-12-2015, 07:43 PM
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Have your battery checked, believe it or not a weak battery can cause this to happen.
Old 10-12-2015, 09:01 PM
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I will check it . I hope its this
Old 10-13-2015, 05:49 AM
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... or maybe the battery in your key fob.

PS. Wasn't there a TSB a while back about the hood not latching properly causing the alarm to go off once in a while? I am not sure but I recall something like that.
Old 10-13-2015, 12:42 PM
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I call acura they said it should be the hood ketche I send it to acura friday .
Old 10-13-2015, 01:33 PM
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I am getting the same exact problem. It happens randomly. I am trying to troubleshoot what it is. Please update us.
Old 10-13-2015, 02:26 PM
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I spoke to a friend that works for Acura and it's usually the door sensor is bad. They have been having that issue with some of the TL's
Old 10-16-2015, 01:24 AM
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Its going on the dealer tomorow i will let you know
Old 10-16-2015, 10:56 AM
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It was the hood sensor. Hope it can help somebody
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Old 10-18-2015, 09:18 PM
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First I've heard of that, good to know.
Old 02-04-2018, 03:17 PM
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Might as well revive this old dead thread. Same issue for me this morning on my 2009 TL Tech package. I have not used the car in a month, kids off at college. So this morning in the rain the alarm went off. I used the remote to unlock the doors, alarm reset, back to bed. Ten minutes later it went off again, horn honking, neighbors probably hate me. This time I open the doors and start the car for a minute. Back to bed. Alarm went off again, this time I disconnected the battery and that's how it now sits.
Anyone have a description of what all is alarmed? I see above the hood latch might be the first thing to try, after giving the battery a good charge.
Doors? Motion sensor?where is the alarm brains located?
Thanks for any input!
Old 02-19-2018, 11:26 AM
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Originally Posted by ChunkyDA
Might as well revive this old dead thread. Same issue for me this morning on my 2009 TL Tech package. I have not used the car in a month, kids off at college. So this morning in the rain the alarm went off. I used the remote to unlock the doors, alarm reset, back to bed. Ten minutes later it went off again, horn honking, neighbors probably hate me. This time I open the doors and start the car for a minute. Back to bed. Alarm went off again, this time I disconnected the battery and that's how it now sits.
Anyone have a description of what all is alarmed? I see above the hood latch might be the first thing to try, after giving the battery a good charge.
Doors? Motion sensor?where is the alarm brains located?
Thanks for any input!
Had this exact experience, right down to the going out to open doors and start the car for a minute. It was a time of high humidity, thick fog, when my 2010 did this. I have not had a similar experience since the one occurrence, though. I chalked it up to the air conditions and haven't looked back. However, after reading a few threads I think I will be checking door contacts and the hood sensor for peace of mind.
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