Question about 1993 Buick Park Avenue

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Car won't start and when I put the key in the ignition the security light starts flashing

1993 Buick Park Avenue Car won't start and when I put key in the ignition the security light starts flashing

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  • Anonymous Mar 14, 2014

    Security light flashes and says unknown person

  • Anonymous Mar 14, 2014

    Security light flashes and says unknown person

  • Anonymous Mar 28, 2014

    2006 sienna just start flashing when key is out. how can I fixed?

  • Anonymous Mar 31, 2014

    security light stays on

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  • Master
  • 3,113 Answers

Replace ignition lock cylinder. The wires have broken that go to it.

Posted on Apr 19, 2009

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1 Answer

Security light cons on


try a different key, the light will come on and stay on if the tumbler is not reading the resistor in the ignition key.
if that doesn't work try to start car, then don't turn key off leave it in on position for about 10 until the security light goes out, turn key off then try to start again.

Sep 15, 2012 | 1993 Buick Park Avenue

1 Answer

My 1996 buick park avenue will not start sometimes but if i wait for the security light to go off it will start . how do i disable the security system so that the car will crank at all times. will...


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 misinterperates 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. Remember too, the TDM controls the security light. Sometimes you can have ALL the symptoms and no lights.
This link may help you.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Jul 30, 2012 | 1996 Buick Park Avenue

2 Answers

My 1999 Buick Park Ave started hesitating and the CEL would flash. I would back off the accelerator and it would smooth out and the light would go off. About a month ago the car died while I was driving it...


Have you tried the reset method? Turn key to the ON position and leave it there for 10 minutes, or until the security light goes off. Then turn key to off, and back to on and start-see if it starts after letting it sit for a few minutes like that with the key in the on position.

Apr 11, 2017 | 1999 Buick Park Avenue

1 Answer

1993 Buick Park Avenue we had a dead battery so we removed and charged it. Now the Car won't start and when I put key in the ignition the security light starts flashing


Any car with a Factory Anti-Theft System does this whenever battery power is lost. If your owners manual doesn't address this, you will have to contact a GM Dealer to get the system reset. Sorry!

Aug 25, 2011 | 1993 Buick Park Avenue

1 Answer

Just wouldnt start one day and the security light


The TDM in the security system (VATS/PassKey) is having problems, it's typical on those cars. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.

Jul 07, 2010 | 1993 Buick LeSabre

1 Answer

When I put my key in the ignition the security light comes on and the car wont start. After a minute or so it will then start


you should take your key to a local dealer and have the parts people check your key to see if the chip is still good. you can use a pencil eraser to clean the chip on your key. you may have a broken orange wire on the ignition lock cylinder . its common.

Dec 12, 2009 | 1993 Buick Park Avenue

1 Answer

New ignition switch put into car. Turn ignition car won't start. Think it's the chip in key how do I bypass


You need to replace the ign. lock cylinder not the switch. You will need to get a new chip key to fit the lock cyl..

Nov 01, 2009 | 1993 Buick Park Avenue

1 Answer

92 buick park ave security light on car wont start


Someone put the wrong key (resistor value) in the ignition lock, you will have to disconect the battery for 3 min. Make sure you have the right key. Very important! Make sure the climate control is off before disconecting/conecting the battery.

Apr 18, 2009 | 1992 Buick Park Avenue

3 Answers

1992 Buick Park Avenue security light wont go out,car won't run


Security is your problem (like for MANY others... me included). There is a detailed write-up here: http://vatspasskey.com . The guy is great, this was the only way I was able to save my 94 Park Avenue.

Apr 08, 2009 | 1992 Buick Park Avenue

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