Question about 1997 Buick LeSabre

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Security antitheft won't let daughter start her car

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  • 8,531 Answers

Common problem in these cars. If you know someone that has a soldering gun/iron, this can be fixed using the method described here: http://vats.likeabigdog.com/
Let me know if you have questions.

Posted on Oct 08, 2010

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Posted on Jan 02, 2017

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1 Answer

91 cadillac devile won't start. dash, radio & powers work


These early 90's vehicles had alot of problems with the antitheft systems. When they fail, they actually cut power to the starter or injectors. Look for a light on the dash that says SECURITY or ANTITHEFT. You see this light, go to this link for answers.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Mar 14, 2013 | 1991 Cadillac DeVille

1 Answer

Flashing security light, engine won't start


The security, antitheft, or passlock 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.
This link may help you find ways to bypass this or fix it yourself.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Mar 01, 2013 | Cars & Trucks

1 Answer

Car won't start only security light on dashboard


Very common, annoying, and possibly expensive problem with all GM vehicles. Go to this link for an explanation of the security antitheft problem, along with some ways to fix it yourself for cheaper.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

May 07, 2012 | 1995 Buick Riviera

1 Answer

Why won't my chevy van stay started ?


One thing to check into would be the antitheft system. Not knowing what year or type of vehicle makes it hard to help. But like i said, engine shut down in 5 seconds or less is a symptom of a bad antitheft security system. This link explains.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Feb 24, 2012 | Chevrolet Express Cars & Trucks

1 Answer

Have an Oldsmobile 1997 Achieva security light stays on and won't everyhing but still won't start , would like to know would the Pro VATS Full Bypass work on it.


If the security light is on, then you have a failed antitheft system. This light is only for this. If you bypass the system, your car will work perfectly again.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Feb 04, 2012 | Cars & Trucks

1 Answer

98 Saturn


Do you see a light on the dash that says SECURITY or ANTITHEFT? Disconnecting your battery can trigger your antitheft system.

Here is a link about the security.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Dec 30, 2011 | Cars & Trucks

1 Answer

I BOUGHT A GMC JIMMY THAT'S MY PROBLEM! JUNK!


A malfunctioning antitheft system can turn off injectors causing just such a problem. Look for a light on the dash that says SECURITY or ANTITHEFT. If this light is present, go to this link for help.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Dec 20, 2011 | 2001 GMC Jimmy

1 Answer

1997 Oldsmobile Regency won't start;security light, Happens occasinonally


This is an all too common problem on GM vehicles. The problem is in the antitheft system. When the system loses communication (like when a part breaks or fails) the system locks out the starter because it thinks it is getting stolen. The SECURITY light that is lit up proves this problem. That is the only function of the security light. Go to this link, there is a ton of info on this problem along with some tricks to maybe get you going, along with a very good permanent solution to an ongoing problem with these security antitheft systems.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Dec 09, 2011 | Oldsmobile Cars & Trucks

1 Answer

My 2000 saturn won't start; won't turn over or make any sounds when trying to start it...replace the battery this week. what could this be?


Might be the antitheft system. GM vehicles are notorious for bad antitheft security systems. When these begin to fail, they will lock out the starter at the ignition. Read about it on this link http://vatspasslockpasskeysecurityhelp.yolasite.com/

Aug 21, 2011 | 2000 Saturn SL

2 Answers

Replaced ignition module now it won't run at all


After changing the ignition module, you may have broken the communication between all the components in the anti theft security system. This is common on GM antitheft systems. Check out this link for how it works and solutions to security problems. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Jun 06, 2011 | 1991 Buick Regal

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