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My anti theft message is on in my 1999 Cadillac deville, how do I reset it ?

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You need to connect and OBDII code reader to the car. The anti theft system communicates with the car's computer. Turn the ignition key to accessories, and allow the code reader to read for Diagnostic Trouble Codes (DTC's). Any DTC's connected with your theft deterrent system will show up. Reset the codes to remove the theft message from your car. This cannot be done without an OBDII scanner.

Posted on Jan 02, 2013

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Posted on Jan 02, 2017

jwyatt816
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SOURCE: 2000 Cadillac Deville DTS is in anti- theft mode

you can reset the system by turning key to on position for 5-10 mins and then try starting it but its probably a short or grounding prob try the engine to chassis ground

Posted on Oct 03, 2008

  • 1 Answer

SOURCE: 1996 cadillac deville anti theft

TAKE ONE CADILLAC KEY PLACE IN IGNITION TAKE YOUR SPARE CADILLAC KEY GO UNDER NEATH YOUR DASH BOARD FIND THE ORANGE RUBBERY WIRE PEEL THE TWO WHITE WIRES AND PLACE ONE WIRE TO THE ONE SIDE OF THE KEY AND THE OTHER TO THE OTHERSIDE CRANK YOUR ENGINE AND IT WILL START YOUR CAR

Posted on Mar 02, 2009

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SOURCE: '97 Cadllac Deville Concours reading "Anti Theft System Problem"

make sure your key is clean try again, if not the system will tell you to wait 3 mins while key is in ignition this will reset the system and dash will tell you to start vehicle, you should be fine after that, common cause dirty key!!!!!!!!

Posted on Apr 20, 2009

  • 1 Answer

SOURCE: how to reset factory anti theft system dodge intrepid

how to reset the anti theft system for my 2006 dodge ram 1500

Posted on Dec 16, 2009

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SOURCE: how do u disable a

Hi,

You can disable the 94 cadillac deville anti theft system either by the remote module or by using the door key, and turning the door outside lock cylinder.

Best regards.

Posted on Oct 29, 2010

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