Question about 1999 Cadillac DeVille

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COMPUTER PROBLEMS WITH MY 1999 DEVILLE

Theft system shuts my car down and disable the start for 3 minutes...or ill get in my car and turn the key over and the alarm goes off?

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  • jimnhmc Mar 23, 2009

    "Theft system problem" "car may not start" No info coming from computer on dashboard when I go to reset codes. "Service Air Bag" flashing borders around "PRND123"

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5 Suggested Answers

ginko
  • 19396 Answers

SOURCE: 1999 toyota camry anti theft

Try unplugging battery contact for two minutes.

Posted on Aug 09, 2008

  • 3 Answers

SOURCE: 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

Posted on Dec 25, 2008

  • 1 Answer

SOURCE: Isuzu Trooper anti-theft alarm

i put a new stereo in my 1998 isuzu trooper now the anti theft wont let car start what do i do

Posted on Feb 28, 2009

  • 1 Answer

SOURCE: disable alarm 1999 dodge intrepid

HOW DO I MANUALLY DISABLE THE ALARM FOR A 99 DODGE INTREPID

Posted on Jul 08, 2009

  • 3 Answers

SOURCE: 97 cadillac deville starting disabled car will not restart.

Like they say, "Cadillacs are easy to break into, but hard to steal!"

Posted on Aug 08, 2009

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2 Answers

1998 cadillac deville starting system disabled


This is the dreaded antitheft security system. This 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 "disabled icon" illuminates when that signal gets broken, or not seen at all. When the communication breaks, the car misinterprets this as an attempt at theft and goes into antitheft mode. (like it thinks it's being hot wired) The car shuts down because it is not getting that signal from YOUR specific key. This is why the icon turns on and shuts down your vehicle. It will either turn off the starter, or the fuel injectors. The vehicle may run for 2-3 seconds before shutting down. This link explains it pretty well.
http://www.diy-gm-security.com/

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Jun 21, 2016 | Cadillac Cars & Trucks

1 Answer

Is there a way to reset the ignition


use the ignition switch master key. turn the ignition switch for ten minutes until LED ignition warning light go off.then turn off ignition switch wait 5 seconds then try to start engine. if this procedure starts your engine have dealership or garage to check out theft security system.

Jul 28, 2013 | Cars & Trucks

1 Answer

Starting disabled


The problem is your Vats security system. This causes the car to either "not start" or "shut down" while running. (depending on the system) If the security light flashes, i guarantee that this is what the problem is. 1st trick, turn the key forward 2 clicks till right before it would normally start, leave like that for 10 minutes. ( no less ) After 10 minutes, turn key back then forward and your car might start. Cheap fix: ----- http://vats.likeabigdog.com/ Bypassing the key Never worry again fix: -------- http://newrockies.ca?ap_id=judd0081 With this fix, you can take that whole Vats, passlock, passkey **** system out of your car all together. Good info on both sites

Jan 11, 2011 | 1999 Cadillac DeVille

1 Answer

I have a cadilac sedan deville 1994 and every time i turn it on it says that i have to wait 3 minutes due to theft system starting disable why is that?


It is having a hard time reading your chip in your key. I have the same problem on my 99. You can get them replaced but there not cheap.

Nov 20, 2010 | 1994 Cadillac DeVille

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

Theft lock has disabled car


turn key to start, let stall and leave key on for 10 min
theft light will go out
do not shut off key and start car

Jul 05, 2010 | 1997 Pontiac Grand Am

2 Answers

Car starts run's 3 seconds shuts down


Your car is equipped with a system called PASSKEY standard on all GM cars and light trucks, try the following procedure to reset the system, the battery being dead will trigger the system.

PASSKEY LOCKOUT RESET GM CARS 1999 UP
1) Put the key in the ignition and turn to the "ON" position. Leave it that way for 10 minutes. After 10 minutes turn the key and take it out. Repeat this process (2) more times (3 times, 30 minutes total) This should reset the passlock system to recognize your key.

Mar 30, 2009 | 1999 Pontiac Sunfire

1 Answer

Car wont start or turn over


Try cleaning the key "chip" resistor and if this doesn't work try the other key.

Dec 15, 2008 | 1994 Cadillac DeVille

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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