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Old 05-20-2008, 01:20 PM   #1
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Default 2000+ Security Light

Any new info. on the 2000 and up security light?

Mine seems to come on only when the temps dip below 50*

Car runs fine, just wondered what the security light monitored.
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Old 05-20-2008, 01:36 PM   #2
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If you have the content theft deterrent as part of your system, it also monitors the door lock actuators, the door modules, the remote control door lock receiver, and the driver'* door lock cylinder switch. An intermittent in any of those will turn on the security light.
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Old 05-20-2008, 01:41 PM   #3
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I wonder which of those are most prone to temperature changes.
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Old 05-20-2008, 02:17 PM   #4
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I am not sure what the Door Module controls, but base on my experience in manufacturing, I would think the the remote control door lock receiver would be highly suspect. Electronic components can be sensitive to temperature change not as much with electro-mechanical components. Of course, if you have a connection issue with the wire harness, throw that out the window too.
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Old 05-21-2008, 12:23 AM   #5
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The RIM (rear integration module) as well as the DIM (dash integration module) also get involved. The only way to tell for sure would be a scan with a Tech II or similar. It should show where the problem lies.
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