Question edited for clarity and correct name of vehicle.
You can't bypass it Cherie, it involves transponder chips, receivers and the engine computer (ECM).. The anti-theft system is there to stop theft of the vehicle, basically what you are trying to do. You have to fix the system, not find a way around it. This is the reset. As long as you battery is good and fully charged, it should only need doing once.
Just leave the key in the run position and the "Theft System " light on the dash will be flashing. Leave the key on for about 10 minutes and the light will stop flashing and go on solid. Then the theft system is disable.
how to over-ride anti-theft so car will start? (Chevrolet Cavalier)
https://www.google.com/search?q=chevy+cavalier+theft+system+bypass
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SOURCE: will not start ,maybe due to anti theft system
sorry dealer only ,unless you can get the right software
SOURCE: 2005 F-150 Need To Reset
Hi and welcome to FixYa!
As a first course of action please disconnect the positive battery connector and let it sit for atleast 5mins. then reconnect it again. This should reset the system.
After reconnection of the positive battery connector please insert the key and turn it on ON position but don't crank it then turn OFF. Perform this ten times and on the 10th time crank the engine.
Hope this helps and thank you for using FixYa! Have a good one!
SOURCE: 2000 jeep grand cherokee by pass anti theft chip
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Hi Cherie Barton, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?
Is your key narrow at the key ring end and have a pellet of plastic in the metal body of the key, or is your key about the size of a quarter and plastic where it goes on the key ring?
I have the same problem,it's a 96 cavalier z24 2.4L security system is on ,because it didn't have a battery in it when I bought it. Don't no the code ,I have the slim key with the capsule init and I have the remote can you help .please
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