Security Light
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Teching In
Joined: Feb 2007
Posts: 11
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From: Nebraska
Security Light I own a 98' z28 camaro. I was driving home from work when I realized my "Security" light was on. A solid light, not flashing. The car started fine. I'm curious if there is a reason this light is on. It shuts off with the ignition turned off, but remains on after the car is started and has been running. the car doesn't seem to run any different, but i haven't checked the alarm since its midnight.
Thanks for the help,
Ryan
Thanks for the help,
Ryan
Joined: Nov 2003
Posts: 11,328
Likes: 344
From: Jacksonville, FL (originally from Toronto Canada)
The security light in the instrument cluster is unrelated to the alarm system. It indicates a problem with the VATS (Vehicle Anti Theft System) - the resistor chip in your ignition key. Use a pencil eraser and some rubbing alcohol to clean the contacts on your key. Also, spray some contact cleaner or TV tuner cleaner into the ignition cylinder (both are available from Radio Shack and most electronics stores).
Joined: Nov 2003
Posts: 11,328
Likes: 344
From: Jacksonville, FL (originally from Toronto Canada)
No, the VATS can't be completely removed merely through programming the PCM and that won't get rid of the warning light anyway. There are two anti theft functions affected by the VATS - it disables the starter relay and it turns off the fuel pump relay. Turning off the fuel pump relay is done by a signal from the BCM to the PCM and the PCM can be programmed to ignore that signal. But disabling the starter relay is handled entirely by the BCM which is not programmable. The warning light is also controlled by the BCM so it can't be disabled through programming either.
I have the same problem, security light when the car is running, runs and drives fine. My keyless entry doesn't work either. I know the alarm works because I set it off unlocking the door with the key, but that is unrelated. What would be the first thing to replace? I tried cleaning the key and I even went through the BCM and re-soldered about 20 contacts that were cracked to hell.
