Question about 1998 Cadillac DeVille

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Theft system car wont start

After 3 minutes car still wont start

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  • Anonymous Dec 21, 2008

    this did not work, i have the same problem

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Do you have a book on the car? ive delt with some and it tells you in the book how to reset it some cars you have to lock all the doors and unlock the driver door with the key . or the pasenger door or turn the key on and leave it on for three min- you should check you book you could down load it

Posted on Nov 21, 2008

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Unplug battery from car for 10 mins. That will reset the system CPU et.

Posted on Nov 21, 2008

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1 Answer

Theft system light on in a 2004 pontiac sunfire car wont turn on


did you use a key without a chip in it as this will set the theft system,if so use a key that has the chip in it.if you used the right key then you can try turning the key to the on position and leave it for i think 3 minutes then turn it off for 5 seconds then on for 3 minutes again then off then back on for 3 minutes then off then the next time when you turn it on try to start it.

Sep 18, 2011 | 2004 Pontiac Sunfire

1 Answer

Anti-theft light not flashing new fuel pump went in store came out no start.theres no spark,and theres no fuel the just turns over,but wont start


this sounds like the anti-theft system has activated not allowing you to start car.the system shuts down spark and fuel.you may need to reprogram the key to the car again.i think that if you turn the key in the on position for 3 minutes then off wait for 5 seconds i think and back on for 3 mins and off and again one more time.the 4th time you should be able to start the car.

Apr 14, 2011 | 2001 Chevrolet Malibu

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

I have a 97 Grand Am Which the theft system is keeping the car from starting. I have had the computer reset several times and it worked a couple of times but it no longer will let me start the car. Please...


Very Very Common GM Problem.
It is called a PassLock 2 system.

You can reset the computer yourself very easily.

Turn key to ON position (do NOT start). Leave in ON position for EXACTLY 10 MINUTES. As SOON as the anti-theft light quits flashing, and turns off, then IMMEDIATELY start the car.

That''s it!

You can do this everytime and it will work.

They do sell a passlock 2 bypass kit very affordable online that you can install but you won't have anti-theft but you won't have the problem either.

Mar 06, 2010 | 1997 Pontiac Grand Am

2 Answers

Single mom can't do nothing cuz of car


You may have a faulty ingition. Otherwise you have the very common GM anti-theft system. If you have a flashing anti-theft light with key in igniton, then this is what you should do:

Put key in ignition, turn to ON position (Do NOT Start)
Leave in on position for EXACTLY 10 Minutes
Then while watching the anti-theft light, as SOON as the light turns off after 10 minutes, START CAR IMMEDIATELY after light turns off.

This will reset the anti-theft

Aug 20, 2009 | 1998 Dodge Caravan

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

2 Answers

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 -

Jun 21, 2009 | 1996 Buick Skylark

2 Answers

91 seville theft system


but what orange wire their plenty

May 28, 2009 | 1991 Cadillac Seville

2 Answers

How can I bypass a anti auto theft system on my 1990 cadillac seville?


I Have A Seville 1990, When That Happen To Me I Got The Inginion
Replaced Problem Solved. What Is Happening Is Your Key Has A Chip And That Chip Is A Resister And When The Valve Is Not Sented To The Computer It Disengages the Fuel Pump And Than Tells You To Wait. Soon All That Will Happen Is You Will Get The Wait 3 Mins And It Will Never Start, A Good Locksmith Can Take Care Of This For You And That Will Save You Some Money. Cause If You Go To The Dealer Ouch They Will Hit You Up. But I Asure This Is How It Will Happen Cause It Is How It Happen To Me
And Sorry There Is No By Passing The Computer

Nov 02, 2008 | 1990 Cadillac SeVille

3 Answers

Starter disabled due to theft system


the wire that goes to the ignition to the anti theft device is probably broken if you call a good locksmith they can go in through the steering column and fix it same thing happened to my 95 eldorado apparently cadillac designed the anti theft system to coincide with the ignition and is connected to the ignition with two wires that turn as the key is turned the wires twist and eventually they wear out

Jul 11, 2008 | 1995 Cadillac Eldorado

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