Question about 1994 Chevrolet Caprice

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94 caprice vats problem

Is there a way to bypass the the v.a.t.s system it read my key sometime

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I have a 95 chevy caprice the code reads bypass- key

Posted on Jun 30, 2009

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No not really

Posted on Aug 10, 2008

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My 96 caprice classic vats security system has y car shut down. I had a after market ATS security chip also in my car and I removed it thinkingvthat was the problem. It wasnt.


OK. Turn on the key, let the light start flashing. Leave the key in the ON position. Leave it that way for 10 minutes. The VATS security is supposed to discourage a thief from stealing your car. It will flash for 10 minutes and then it will stop flashing. Now,,,,,, DO NOT turn off the key. DO NOT turn it off. Simply take ahold of the key and crank the car up. It will start and should never happen again, unless someone removes the instrument cluster, the battery, or other vital items like the ECM PCU. Good luck.

Dec 25, 2017 | 1996 Chevrolet Caprice Classic

1 Answer

My 96 chevy caprice security fault light is on and car turns over starts but does not stay running. The fuel pump seems like its being shut down. How can I fix this problem?


The fuel pump isn't being shut down , the engine computer isn't seeing a anti-theft system pass word (code) so it disables the fuel injectors . The security light on ? DTC'S - diagnostic trouble code's are stored . Need a factory or professional scanner to read this code's . You could try a by pass of the key an lock cylinder ,but that may not be the problem . Does your key have a resistor pellet on the side of the key >
GM VATS Key Resistor Key Security Bypass

Dec 07, 2017 | Cars & Trucks

2 Answers

How do u disable a 94 cadillac deville anti theft system


U can bypass it (called the VATS system) but not fully disable it, what is done mimics the key code to fool the VATS module into sending a OK to start signal to the fuel injection computer (called the ECM). go to the web link below for instructions on the bypass.

http://vats.likeabigdog.com/

Oct 29, 2010 | 1994 Cadillac DeVille

2 Answers

It does not read the key so the car does not crank it does not even try to crank


either the contacts just inside the ignition that read the VATS chip are bad or to worn to read the key, requiring the replacement of the ignition or the resistor in the key itself is bad or to worn to work, if you have another key try that. if that doesn't work as a last effort before ign replacement have the key duplicated onto new key with the proper value VATS number, if that doesn't. work rep ign. if a light on the dash comes on when you turn the key, the computer is not recognizing the key

Mar 10, 2010 | 1992 Buick LeSabre

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Car wont start, has a new starter everything comes on in and outside the car we turn the key and nothing happens


First thing,Your vehicle has a VATS Anti-Theft system which will shut down the starter if the vehicle doesn't read the key! VATS anti-theft systems are bad to get faulty connections between the key and ignition lock cylinder!
1. Take a pencil eraser and clean the ends of the key pellet.(Small black square with brass connections)
2.Look inside of Ignition rumbler and you should see 2 brass connection brushes just inside the opening
Clean them with some plastic safe contact cleaner.
Let's see if that fixes the problem!
Also if you have a spar key,Try it!

If the above doesn't work then I'd move on to the starter interrupt solenoid under the hood somewhere around the power distribution center and battery and go from there!

Hope this helps and have a Great Day! GMJ

Mar 09, 2010 | 1992 Cadillac DeVille

2 Answers

93 pontiac bonneville security light stays on and car won't start.


You can easily bypass the entire VATS system. There is a clear write-up here on this website:http://newrockies.ca. This was the only thing that saved my 94 Park Avenue with the same security system.

Feb 14, 2010 | 1995 Pontiac Bonneville

1 Answer

Car starts and then dies


that means that your fuel pressure isnt high enough to run check fuel pressure should be 40lbs on crank mode and little lower in run mode , you might check fuel filter

Aug 28, 2009 | 1994 Chevrolet Caprice

4 Answers

2002 Camaro, Security dash light stays on


a few questions to start have you had you vehicle battery replaced lately, or had an after market security/remote starter installed. the vats system is a very touchy system. i run into it alot at best buy. i am the senior car tech there. the second answer you read is the easiest i would just get the bypass module. what is happening is either the factory security system is "bugging out" or sometimes but rare if the resistor in the key or contact point in the tumbler is getting worn out or not making good contact throwing off the ohm reading a bit throwing the vats off. you are lucky if it was working it should engage a starter kill and cut power to the fuel pump which as i have seen happen before can just happen out of the blue. either get a vats bypass or send your computer out to someone who reprograms cumputers after mods have been done to set up the computer to eliminate the vats while your there you can also have different things changed like speed limiter spark curves tweek it for perfomance the sky is the limit but usually runs about two hundred if you have anyother questions i have been restoring and moding 3rd and 4th gens for about ten years now shot me an email to weeden_john@hotmail.con

Jan 23, 2009 | 2002 Chevrolet Camaro

1 Answer

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.

Oct 08, 2008 | 1994 Cadillac DeVille

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