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Alarm goes off when unlock is pressed

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  #1  
Old 08-23-2011, 08:44 PM
sledhead25 sledhead25 is offline
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Default Alarm goes off when unlock is pressed

Every time I hit the unlock button on my key-fob the horn starts going off and the lights flash. When I pull the horn fuse the alarm doesn't go off. I work at a used car dealership and I'm wondering if the signal from the other fobs confuse my trucks signal. Also I'm wondering if for some reason my truck get too hot sitting an the sun and gets a mixed up signal when i try to unlock it after work. Any thoughts or suggestions would be helpful
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Old 08-23-2011, 08:47 PM
magnethead magnethead is offline
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somebody else said it'll do it after you hit lock 3 times (which i can confirm), but other than that...
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Old 08-23-2011, 09:01 PM
Lebbie54 Lebbie54 is offline
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Does the alarm go off when you put the key in the door?
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Old 08-23-2011, 09:13 PM
magnethead magnethead is offline
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Quote:
Originally Posted by Lebbie54 View Post
Does the alarm go off when you put the key in the door?
Mine does, yes. Only the fob will open it silently. Unless i hit lock 3 times, then the alarm will go off regardless of unlock method.
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Old 08-23-2011, 09:17 PM
01SilverCC 01SilverCC is offline
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The other key fobs from the vehicles at the used car dealer very likely do not have anything to do with this problem. If anything, they would only block the signal from your fob to your truck, causing your fob not to work at all. This sounds to me like there is a problem with the factory keyless/alarm, which is an internal part of the Central Timer Module. You might try unplugging the CTM for a few minutes, then plug it back in, see it that resets the alarm module, and try the fob again.

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Old 08-24-2011, 09:41 AM
Lebbie54 Lebbie54 is offline
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Originally Posted by 01SilverCC View Post
The other key fobs from the vehicles at the used car dealer very likely do not have anything to do with this problem. If anything, they would only block the signal from your fob to your truck, causing your fob not to work at all. This sounds to me like there is a problem with the factory keyless/alarm, which is an internal part of the Central Timer Module. You might try unplugging the CTM for a few minutes, then plug it back in, see it that resets the alarm module, and try the fob again.

Jimmy


Wish this was around when my parents had this car. We had that same problem for years.
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Old 08-25-2011, 03:23 PM
sledhead25 sledhead25 is offline
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The first time I tried to unlock the door with the key the alarm didn't go off but the next 2 times it did. I will try to unplug the CTM and see what happens
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Old 08-25-2011, 05:05 PM
moparman_2004 moparman_2004 is offline
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you may need to replace the ctm if resetting it does not work
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Old 08-26-2011, 06:23 AM
JBs DAK JBs DAK is offline
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Mine does that. Know idea why.
Sometimes, to lock it, I hit the button while
walking away,.. I won't hear it chirp. Of course
I then hit the button again,.. Nothin. no chirp.
Hit the button a THIRD time and there it goes!
The alarm goes off! But, what is happening I think,..
Is that each of the 2 prior times that I hit the button,
the alarm is really being set. (Because, I can look into
the truck & see the alarm-light on the dash blinking).
The third hit of the button sets it off. So, sometimes it
chirps while setting the thing. Sometimes it doesn't.
But, it's always setting it reguardless.
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Old 08-26-2011, 09:14 PM
sledhead25 sledhead25 is offline
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I unplugged the CTM last night and let it sit for awhile, plugged it back in and today the alarm didn't go off. I'll see what happens on Monday. Hopefully that will work.
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Old 08-26-2011, 09:14 PM
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