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What can I do to bypass the anti-theft system on a 1997 Chevy cavalier

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May be the owner does not want you to steal the car

Posted on Dec 10, 2016

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Posted on Jan 02, 2017

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SOURCE: 1994 cadillace anti theft system

I just had this same problem with a '96 . do you have a vats key in your '94? you need to bypass the VATS system. read some of the blogs on this site and it will tell you how to do it. I fixed mine with a $2 resistor from radio shack.

Posted on Oct 12, 2008

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SOURCE: 97 Chevy Monte Carlo won't start, security light is on

disconnect battery for 24 hrs so the computer will reset and if that dont work take it to chevy dealer and have them reset it manually

Posted on Mar 27, 2009

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SOURCE: i have a cavalier 1997 and the anti theft system

you will have to take it to the dealer or a shop that does a lot of GM work. without a scanner and codes and service manual, you will not fix it.

Posted on Sep 23, 2009

dttech
  • 4803 Answers

SOURCE: My 1997 chevy cavalier has

The problem is not your computer. The problem is a defective PassLock cylinder. It is not reading your key correctly. The lock cylinder for your ignition reads a chip in your key and sends a digital signal to the computer to let the computer know that a valid key is being used to turn the ignition on. (This keeps some jerkwad from stealing your car by breaking the lock cylinder and starting the engine with a screwdriver.) When the security light starts flashing and the engine will not start, it is because the ignition switch was turned on and everything powered up but the passlock system did not read a valid key code. Replacing the passlock cylinder should fix your problem. This is pretty common.

Posted on Jan 08, 2011

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SOURCE: 1997 toyota 4runner anti theft system prevent ignition. How do we deactivate anti theft system.

sorry this is a dealer fix. but it could be as simple as programing a new key.
or it may need a new imoblizer module.

Posted on Apr 14, 2013

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3 Answers

HOW TO BYPASS THE ANTI THEFT SYSTEM IN A CHEVY CAVALIER


Does your system have a resistor pellet in the key?

Apr 09, 2013 | 1999 Chevrolet Cavalier

2 Answers

Car will not start


You probably can't.
If the anti-theft module is in the cluster, you would need the correct key chip for the car the cluster came out of.
You might be able to bypass the passkey system by running a wire to the fuel pump relay and other components.
You may need a shop manual to find the circuits.

Aug 23, 2012 | 1997 Chevrolet Cavalier

1 Answer

I need to disarm my anti-theft system in my 97 Cavalier. I replaced motor and now it won't start. Replaced fuel pump,because was not getting fuel to engine. Have since learned it has to do with the...


http://vatspasslockpasskeysecurityhelp.yolasite.com/ Go to that link. You are exactly right. The engine swap has confused the anti theft security system. It can disable the starter and/or the injectors/fuel. There are ways to bypass these systems. You can do it yourself too. Ive personally done dozens of these bypasses, and they work great. Good luck

Jul 23, 2011 | 1997 Chevrolet Cavalier

1 Answer

I changed engines from a 1996 chevy cavalier to a 1997 cavalier,i don't get any gas or fire won't start


These cars were made with an anti theft security system. If you swapped motors, you may have interupted that system causing the the security to turn off the ijector fuel. Just a thought.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Jun 08, 2011 | 1997 Chevrolet Cavalier

1 Answer

2000 Cavalier will not start due to anti theft wire


NO, you will need to have Mr. Chop Shop fix it, or take it to a real mechanic and send him the bill.

Oct 21, 2009 | 2000 Chevrolet Cavalier

2 Answers

1997 Chevy Cavalier Starts and then dies after a few seconds.


Find a good auto wrecker, and try replacing the mass air flow sensor.

May 14, 2009 | 1997 Chevrolet Cavalier

1 Answer

97 Chevy Monte Carlo won't start, security light is on


disconnect battery for 24 hrs so the computer will reset and if that dont work take it to chevy dealer and have them reset it manually

Mar 27, 2009 | 1997 Chevrolet Monte Carlo

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