Question about 1999 Oldsmobile Alero

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2002 oldsmobile alero

I have a problem with 2002 alero it wont start and the security light stays on solid. i can get it to start for 3-5 seconds by directly using the relay to do it but then it dies.i am stumped on this car any tips will be greatly appreciated

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  • Oldsmobile Master
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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.

Posted on Apr 25, 2013

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Posted on Jan 02, 2017

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SOURCE: wont start security light stays on

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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does your security light flash or stay on then the theft system is preventing it from starting if security light is u have leave the key on acc for 10 minutes n try starting then

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The security light is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterprets this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

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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..
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YOU ARE NOW READY TO TURN YOUR CAR OFF AND RESTART YOU CAR....

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I DO THIS ALL THE TIME TO MINE..

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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.

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My 2002 Alero wont start and the security light stay on. ive tried turning the key on, waiting 10 minutes, turning the key off, and then starting it but nothing happens. nothing is working. what should i...


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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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Wont start security light stays on


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

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