Question about 2002 Oldsmobile Alero

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Wont start security light stays on

I own a 2002 alero, it died driving and wont start. i tried waiting 10 min but the security light wont go off. it stays on solid any help?

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  • alerosucks Jan 18, 2009

    Its was the Lock Cylinder Module it needed to be replaced costed 500 to get her done. Stupid alero's what a scam and a ripoff. Need a way to ditch this car and get out of my payments. dang dealership in MN they are rip off artists. get rid of her before you lose everything because of a car.

  • Sam_run Mar 22, 2009

    i have a 2001 alero. i just finishined changeing the fuel tank pump and filters. after all that i ended up changing the ignition. i have one problem left though. from doing all this the security light is on solid all the time and wont let it start. i have tried waiting 10 munites and longer for it to re set but dosnt help. If any one noes how to reset it could you please help thanks

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My girlfriend had the same problem, so we took it to the local dealer in Costa Mesa, CA and were told she needed a new engine to the tune of 5K. We decided to take it to our local mechanic and he discovered that the “ignition control box”, which apparently has the antitheft controls too and shuts the flow of gas to the engine because it thinks its being stolen when it malfunctions, was causing the starting problem. Once, the box was replaced it worked fine. Because the IBC controls antitheft, it will need to be “reprogrammed” be someone that has access to the proper equipment or the dealer. I think the whole thing was about $800 - $900. Sure beats $5,000

Hope this helps,
B

Posted on Dec 04, 2008

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1 Answer

2002 oldsmobile alero


try leaving the key on for 10-15 minutes, or however long it takes for the security light to go off. If this works it sounds like you will need to have the exciter ring on the ignition lock cylinder changed.

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I OWN a 2001 Olds Alero and the same thing happens to mine.. It's an easy fix..
1. Turn the Key to ACC (keep it in this mode for the entire 10 minutes).
2. The security light on the Dashboard will flash for exactly 10 minutes..
3. Once the 10 mins are over, the security light will stay solid..
Wait for the red light to disappear off the dashboard...
YOU ARE NOW READY TO TURN YOUR CAR OFF AND RESTART YOU CAR....

SIMPLE FIX..
I DO THIS ALL THE TIME TO MINE..

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What does it mean when your security light stays on all the time on my 2002 alero


It its most likely the Theft Deterrent Module. If the security light turns on, then that indicates a problem. Personally I think your TDM is glitched out. It may be fine, or die tomorrow. I would seriously look into getting this fixed, or bypassing the entire system. Learn about it on this site.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

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Turn the key forward and try to start the car. If it does not start, look for a light on the dash that says SECURITY. If you see that light, that is the problem.

If it does not start, leave the key forward 2 clicks for 10 minutes, NO LESS. Roll the key back for 5 seconds and then try to start it.

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Since you've tried the 10 minute relearn process with no luck, Try this same process 3 x in a row without trying to start in between. Will take a little over a half hour. If this still does not work, and the security light is solid (not flashing) this indicates a bad TDM. (passlock security computer)(Theft Deterrent Module). A new one will cost about 700 bucks. But this entire system is able to be bypassed permanently. If all else fails, check out this link. Its full of info on how the system works, along with "do it yourself" ways to fix it. http://vatspasslockpasskeysecurityhelp.yolasite.com/

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1 Answer

Wont start security light stays on


Body Control Module (BCM) on both counts. Find a shop in your town that specializes in electrical systems to test it. Beware, these can be intermittent problems, so make sure they keep it until the car does what you have observed. Expect to spend about $450 for the replacment. Dealers quoted me between $700 and $1,100 for the same repair. By the way, a new BCM will probably only last you about 12 months.

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