Question about 2005 Cadillac CTS

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How to reset an anti theft system on a Cadillac cts

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Bypass the starter relay and crank while the key is in the on position. This is to force the ecu to communicate. After doing that and making sure the check engine is on you can do the 30 minute key program procedure. Make sure the battery always stays above 12 volts

Posted on Feb 02, 2015

  • Dexter Hardeman
    Dexter Hardeman Sep 29, 2016

    Hey carlo, I try this on my 2007 cts v6 and the problem is when i jump the starter relay my check engine light turns off. What could be that be?

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Most models can be done by onstar, or with your key fob or key in the drivers door. Check your owners manual if you have one.

Posted on Jul 26, 2012

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SOURCE:

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Posted on Jan 02, 2017

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SOURCE: 1997 cadillac deville anti theft

anti theft system is on and car want start97deville how do you reset

Posted on Nov 21, 2010

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SOURCE: My cadillac is stuck in

i just had this same problem with my caddillac..my temp, gas gauge would stop working..anti theft system on the msg board..ac would stop cooling and key stuck in the ignition..your key is faulty and is not communicating properly with your responder..you ought to get your self a new key and programed cuase if you keep using it like that you can burn the responder and the car will lock it self and stop turing on ..i learned the hard way if your key still works go get a new one before it stops working.. in the mean while under the steering wheel there are two small openings one bigger than the other the smallest one and the first one is the emergency release for your key..with a small flat key stick the key up the opening horizontly and push in you will a feel a small bending when that happens try to play around with the ignition switch like if you be taking your key off normaly and that should release your key but that is just a tempory fix..get a new key

Posted on Jul 16, 2010

  • 1 Answer

SOURCE: theft system locked

To get the key out; look under the steering wheel for a plastic flat head screw. untwist it and then push the spring in and your key will be free. Then, go to your fuse box and remove the main fuses and you will hear the doors unlock when the system reset itself. Plug them back in and start your car. This just happened to me... seems the only things that were working were the navigation screen, headlights, fog lights, and reading light on the inside. Dash board was all dark except the engine light.

Posted on Apr 28, 2010

bluebirdmate
  • 1190 Answers

SOURCE: My 1990 Cadillac Seville says

You may have a failed ignition lock cylinder The wires that are attached to the lock cylinder are probably broke therefore the resistor value of the key pelet is not getting to the theft system module there fore without tha signal the car will not start. to repair the car will need a new lock cylinder and at least one new key

Posted on Aug 24, 2010

emissionwiz
  • 84540 Answers

SOURCE: how do u disable a

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/

Posted on Oct 29, 2010

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Keyfob battery dead, theft mode on. 2008 Cadillac CTS


Tip & How-To about Cars & Trucks
Resetting a Vehicle Anti-Theft System This is how you reset an anti theft system if you have the anti-theft light on, or your car is cranking, but you have no spark.

Doing a full reset of the anti-theft system.

Disconnect both battery leads for at least two hours.
Hold the negative and positive leads together for 5 minutes to fully discharge any power.
Put the key in the ignition, but not turned on. VERY IMPORTANT!
Connect the positive lead.
Connect the negative lead in one swift movement.
Wait 15 minutes for the system to fully reset.
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Warning Lights, Gages, and Indicators .... 188. Message Center ... 2007 Cadillac CTS/CTS-V Owner Manual M. 1 ... and the name CTS are registered trademarks.

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Does anything happen when you turn the key to the start position ?

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You're going to need to go to the dealership

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MY CADILLAC THEFT SYSTEM IS NOT WORKING


anti theft control has been activated>> is light flashing with key on??

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I have a cadillac 2003 cts car and come out theft system how can desactivated can you help me please


Hi,
If your portable remote is not work , you may need to replace the battery with new one. If it not work , you need to disconnect power supply into your security system / immobilizer / anti theft.
Regards, Jay

Feb 19, 2011 | 2003 Cadillac CTS

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