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
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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.
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....
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.
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/
im just gonna take a stab in the dark here i understand that your security light is on try unlocking your door with your key sometimes you just need to reset the security. otherwise ive seen a security module go bad that may be preventing you from starting it.
The security system is activated. It kills the injector pulse ( signal) and on some modles the starter. You will need to try to relearn the system. First try to start the car, leave the key in the run position for 10 minutes. Cycle the key off, then cycle it to the run position again for 10 more minutes. Cycle it off again, then back to run for another 10 min. after the last cycle turn it off then try to start the car. It is a 30 minute relearn. If this does not work you will need a repair shop to replace the passlock sensor. Good Luck
well if you security light is on, then you have to put your key in the on position for exactly 10 mins and wait until the light blinks and then turns of and then you turn the key off and they you can start it. i have a 2002 alero and it works for my car.
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.