Question about 2001 Cadillac DeVille

6 Answers

1997 cadillac deville anti theft system comes on and i cant get my car started.

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  • Anonymous Aug 09, 2008

    Starting Disabled Due To Theft System, Remove Ignition Key. Can't get it to clear, car want start. I check fuses, unhook wires, removed battery cables, turn the ignition on for 10 min. No change.

  • Anonymous Sep 02, 2008

    Locked car with using auto door lock.closed door waited 30 seconds unlocked door from outside using key car still will not start.car have reset using the 3 minute count down car still will not start.

  • lwillger Sep 07, 2008

    Hi! I have tried the lock door with the key, wait, open with key, no luck!

    I have tried the battery solution, no luck!

    I have checked the fuses and coils, No luck!

    I NEED this car running!!

    Thanks!

  • Anonymous Dec 04, 2008

    the car starts, runs for ten seconds then stops. then the anti theft system flashes up and car will not start.

  • Anonymous Dec 19, 2008

    my info sceen keeps reading all kinds of promblems but I know nothing is really wrong....

  • Haunyamoma Dec 31, 2008

    Car wont start blinks security system 97 seville

  • Anonymous Feb 18, 2009

    cant do anything! how do i reset anti theft system

  • mr_molinapm Feb 24, 2009

    my car display panal keeps sayin theft system problem car may not restart

  • redeye32990 Mar 05, 2009

    I have a 1997 Cadillac DeVille and the main computer locked up and it won't start

  • mariova73 Mar 25, 2009

    antitheft system light came on and car won't start

  • Anonymous Apr 08, 2009

    my car needs to be reset ,just had this done and it will not start again.

  • cano2491
    cano2491 Dec 06, 2012

    anti theft system is locked and wont let me do normal procedure thru radio.

  • Anonymous Mar 14, 2014

    1996 cadillac seville anti theft system

  • Anonymous Mar 17, 2014

    how do i disarm the anti sercurity device on 2001 cadillac deville

  • Anonymous Mar 19, 2014

    I need a bit of advice im baffled and confused beyond recognition , I am stressed over this Cadillac

  • Anonymous Mar 23, 2014

    When u push start everything goes off than comes
    on in about 3 min

  • Anonymous Mar 30, 2014

    how to restart anti theft security system in a1994 Cadillac concourse do it your self

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6 Answers

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Its your engine to chassis ground I had same problem replace wire or try sanding paint around connection for better connection. The wire is located on top left of engine, very visible

Posted on Oct 03, 2008

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This might work for most:

Theft Module Re-learn Procedure without a T5O or T6O
During this procedure, the vehicle battery must maintain a minimum of 10.5 volts. If the battery is not fully charged or is weak, a battery charger may be connected.
NOTE The battery charger must NOT be set in 12 volt boost. This will prevent this procedure from working.
1. Cycle the ignition switch to the "Run" position.
2. Wait a minimum of 10 minutes, cycle the ignition switch to the "Off" position.
3. Cycle the ignition switch to the "Run" position.
4. Wait a minimum of 10 minutes, cycle the ignition switch to the "Off" position.
5. Cycle the ignition switch to the "Run" position.
6. Wait a minimum of 10 minutes, cycle the ignition switch to the "Off" position.
7. Verify the repair.

and if not try this:

STARTING DISABLED/DUE TO THEFT SYSTEM/REMOVE IGNITION KEY"
If the Powertrain Control Module (PCM) does not receive the Fuel Enable message it will use the class 2 serial data line (CKT 1807) to tell the Instrument Panel Cluster (IPC) to display the "STARTING DISABLED/DUE TO THEFT SYSTEM/REMOVE IGNITION KEY" message on the Driver Information Center (DIC) . This will inform the driver of why the engine is not starting. When the ignition is turned "OFF", the IPC will start a timer and display messages to inform the driver to wait for the PASS-Key II timer to run out. The messages will read "WAIT 3 MINUTES", "WAIT 2 MINUTES" (after 1 minutes has passed), "WAIT 1 MINUTE", and "START CAR".
If the timer was not run out, the IPC will not send the Fuel Enable message. When the PCM does not receive the Fuel Enable message, it will command the IPC to re-start the message process.
This message is most likely caused by an improper key resistor value or the IPC did not properly sense the ignition key resistance.
good luck!

Posted on Oct 18, 2008

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

Posted on Nov 21, 2010

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Change the key switch one of the wires have broken.its two wires connected two the key switch.my car was down a year an the whole time it was the key switch.Mack

Posted on Jan 03, 2009

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Is a new bcm already programmed from the factory?

Posted on Dec 06, 2012

  •  jila
    jila Dec 06, 2012

    sorry,..looking for answers too

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I have a piece of **** lemon car what should i do?

Posted on Feb 24, 2009

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SOURCE: 1997 cadillac concourde deville, car wont start

Try to reset the p.c. by unpluging the batt. for 10 min that should do the trick.

Posted on Apr 05, 2009

  • 2 Answers

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

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Posted on Jan 02, 2017

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1 Answer

97 cadillac deville shows anti theft system amd will not start. Would the ebtcm going bad or shorting trigger this action?


Here is a link to help you understand the antitheft.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

May 17, 2012 | 1997 Cadillac DeVille

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Anti-theft system will not allow car to start - how do you unlock the anti-theft


if the theft light is was flashing on you, put the key in the ignition and turn all the way until the instrument cluster lights up, just don't start the car. leave it like that for aprox. 10 min. or until light goes out. when that happens, turn of(don't take out keys) and try to start car. hope it works.

Jul 03, 2010 | 1997 Cadillac DeVille

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The anti theft light came on and shut down the entire car


renew battery in remote.then lock and unlock to reset system.(hold buttons down for 20 secs)

Mar 01, 2010 | 1997 Cadillac DeVille

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Cadillac dealer can by pass that anti theft module

Dec 09, 2009 | 1991 Cadillac Eldorado

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Anti-theft system


Read your manual or take it to the dealer. It sounds like it needs reset.....if this is a factory anti theft system, only the installer may be able to help you.

Jul 16, 2009 | 1997 Cadillac DeVille

2 Answers

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


I had the same problem. trying to save money i took it to several auto places who thought they could fix it..... after a lot of money and my 800.00 after market alarm was taken off i had it took to the dealer . They fix it in two hours they put in new switch and key haven't had any problems sence.

Apr 13, 2009 | 1997 Cadillac DeVille

1 Answer

1997 cadillac deville delagance - anti theft device


I've got a 97 deville d'elegance that has issues similar to these. Last year the red anti-theft light came on and the car wouldn't start-took it to the dealership and they replaced the PCM? (the main brain for the system) for $900...the guy told us the wiring was so corroded he didn't want to mess with it much. Today the message started flashing on the dash that says "anti-theft problem/ car may not restart" but it still turned over in the driveway a couple times so I am hoping I can reset it. The wiring system is jacked and will probably need to replace the wiring harness completely. Doubt its worth it. Not a secure feeling with 2 babies in the back seat in the middle of winter....

Mar 30, 2009 | 2001 Cadillac DeVille

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