Question about 1999 Chevrolet Cavalier

Open Question how do I bypass the anti-theft system to get my car running

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Posted on Jan 02, 2017

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SOURCE: The anti theft system, How

Http:// 190 bucks

Posted on Mar 29, 2011

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1 Answer

How do you disconnect the factory alarm?

You cannot disconnect the anti theft security system without causing the system to shut your vehicle down. The system can be bypassed however. Check out this website for more information: This website explains how the GM security systems can cause the vehicle to be rendered immobile without warning, and what the cost will be if taken to a dealership for repairs. I was very impressed with the site, and more impressed with the bypass system they have developed.

Dec 31, 2010 | 1998 GMC Jimmy

1 Answer

How do you bypass the theft system have tried two different methods of resetting it but neither one worked how do I just rewire it and bypass it altogether

this site has the solution to bypass the anti-theft system (TDM):

I found it several months ago and was able to by pass the system. for all gm,

May 19, 2010 | 1999 Chevrolet Cavalier

3 Answers

Anti theft light comes on car won't start

to reset theft system--turn key to on, leave for about 15 minutes. after 15 min. turn key off, wait 15 seconds. then try to start car. to bypass anti theft system-- all gms===go to site-

May 15, 2010 | 2003 Chevrolet Malibu

1 Answer

How can I bypass the car alarm ignition switch

Here is a great write-up on the subject. This will get rid of the entire VATS system. It was the only thing that saved my 94 Park Avenue.

Feb 14, 2010 | 1993 Chevrolet Camaro

1 Answer

Anti-theft light burn constantly

go to bypass theft system. hope this helps!! for all gm vehicles.

Nov 29, 2009 | 1997 Chevrolet Malibu

1 Answer

Security light stays on

When this happens, it is often the Theft Deterrent Module (TDM) that is dieing. Here is a great write-up to completely bypass the VATS/Passkey security system. This is what saved my car:

Nov 17, 2009 | 1998 Buick Century

2 Answers


check if the security light is on. if so then if you wait for 3 minutes and the light goes out then the car will start then it is the resistor chip key reader in your ignition switch. all GM cars with Vehicle Anti-Theft System (VATS) built in the 90's eventually have that problem. Solution is replace the ignition and keys or bypass the key resistance reader.

Nov 13, 2009 | 1993 Buick LeSabre

1 Answer

Lock key codes to bypass and solve ''anti theft problem'' display showing

Here is a great write-up to completely bypass the VATS system. This was the only thing that saved my car.

Oct 19, 2009 | 1996 Cadillac Eldorado

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