Question about 1996 Chevrolet Cavalier

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MY THEFT SYSTEM LIGHT HAS COME ON AND CAR WONT START

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This is because your car has gone into immobilisation mode and would not allow the engine to start.A theft prevention system.You either need to reset it from the remote(if it has one) or else hook up to a pc but if you are lucky you won't need it.

Posted on Jul 27, 2009

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Posted on Jan 02, 2017

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SOURCE: 2001 ford taurus wont start and anti-theft light is blinking

Either you may be using a key that you had copied from the original or your chip went bad in your original key. Most of cars now a days have the key censor in the key so if it is the incorrect key it will not start your car or if it does not read that chip it will not start

Posted on Feb 05, 2009

JULIANFIX
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SOURCE: dont know how to reset or bypass gm theft system car is not starting .It tries and quits.

this is one way to reset it :
first make sure the battery is fully charged , then do the following:
key in the ignition but do not crank the motor, just leave it at the
ignition mode for ten minutes ,then turn it off POSITION for 5 seconds then REPEAT again 2 more times. at the 3 rd time youre gonna notice the ANTI THEFT light on dash to blink. when doing the last step , remove key , inserted again and turn on motor , good luck , AJ

Posted on May 28, 2009

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SOURCE: buick does not start when theft system comes on

I had the same problem with ours...

It ia a faulty ign switch lock (the sensor) > Expensive part >

Temp fix;

remove the cover underneath the steering column and locate the thin white flat (3) wire (runs from the ignition key lock down to a connector.

After starting the the car , dis-connect the connector under the dash that the Ign lock goes to , after that the car should start everytime.

You will need to replace the lock assy. if you want to fix this correctly ; I have been using ours for (6) months > no problem except the "Theft System " light stays on -

Posted on Jul 13, 2009

  • 1 Answer

SOURCE: 99 chevy cavalier theft system light on steady, car wont crank.

My 2000 cavalier has done this for 6 months. You take your key out then open your door, wait ten minutes and the system resets itself and the car will start-annoying you bet!!!

Posted on Aug 21, 2009

  • 1 Answer

SOURCE: security light stays on in 99 maxima and wont start?

OK, i had this problem with my 99 maxima 6 month ago and i made new key at the dealer (150 $) , and the problem was gone for few months, but 2 months a go the same problem is back and i dont know what to do (the car stars after i try few times) and it drives with the security light on ????

Posted on Feb 05, 2010

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Try pulling the fuse for the anti theft system and starting. If the car starts normally, then the problem is with the theft system. The theft system will reset itself after a period of time.

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1 Answer

Theft system light comes car wont start


The theft 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 hot wired 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 explains it pretty well.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Oct 22, 2013 | Cadillac Eldorado Cars & Trucks

1 Answer

01 mustang theft system light wont let car start


So the problem is with the key, the sensor in the key lock, or the module in the car.
You may have to get a shop manual to get the test procedure.

Sep 30, 2012 | 2001 Ford Mustang V6

1 Answer

Theft light is on & car wont start


theft system is locking down the computer on your exoedition

Dec 31, 2011 | 2007 Ford Expedition Eddie Bauer EL

2 Answers

Hi I own A 98 Chevy Malibu, my ignition locked n i had to put a new ignition switch in, well now my cars tellin me Something Theft Service. Im wonder what I need to do? Iv unhooked battery for hours ect...


You need to reset the theft system. To do this, try to start it. It should start and die. Then after it dies and the theft light is flashing, leave the key on for 10 minutes. After 10 min, the theft light should go out. After the theft light goes out, turn off the key. Count to 5, then restart it. Then it should work.

Nov 07, 2010 | 1998 Chevrolet Malibu

2 Answers

99 chevy cavalier theft system light on steady, car wont crank.


My 2000 cavalier has done this for 6 months. You take your key out then open your door, wait ten minutes and the system resets itself and the car will start-annoying you bet!!!

Jul 20, 2009 | Chevrolet Monte Carlo Cars & Trucks

3 Answers

Can you bypass theft system


No, I think he has the same problem I do. I have a stock 99 malibu...no real theft system. Usually after it rains or gets cold, a "theft system" light comes on in my dash. I can be driving, and the light will come on. If I turn the car off, I cannot restart the vehicle till about 20 minutes have passed and the light finally goes off. Sometimes this light comes on when I try to start the car in the morning. I put the key in the ignition, and the car will not start for 20 minutes till the darn theft system light goes off. From what I gathered, the theft system issue has something to do with a "passlock II" defect. I have no idea what this is, all I know is that I can't get a mechanic to listen to me, because the issue never repeats itself when I go to a garage. It gets a little annoying, but I've learned to deal with it.

Sep 10, 2008 | 1999 Chevrolet Malibu

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