Question about 2002 Cadillac Deville

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Replaced battery now car will not start, service security system message on dashboard info. please help

2002 cadillac deville replaced battery car will not start dashboard message: service security system and check coolant. How do I get the car to start back up?

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The car is not reading the key and thinks someone is trying to steal it. Try another key or see a dealer.

Posted on May 09, 2009

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Dec 29, 2015 | Cadillac Cars & Trucks

1 Answer

My 2002 cadillac sedan deville wont start after sitting all night, it runs all day then nothing in the moring i replaced the battery and still the same problem


There is tech service bulletin on this.There is a update program for the Body Control Module at the dealer.Less than $100.

Oct 15, 2012 | 2002 Cadillac Deville

4 Answers

I have 2002 deville i changed the battery then theft security came on i cant started


Thanks for choosing FixYa and welcome. The alarm is the reason you can't start the car. You will need the security code. Check your owner manual for this code. Each vehicle is different. You may be able to find it elsewhere, but choose someone that you trust. The dealership can do this for you. They will charge you but you will get the code.

May 02, 2011 | 2002 Cadillac Deville

2 Answers

I have a 2002 cadillac deville, the service


i'm having the same issue. Dealer said the battery won't hold it's voltage; swapped in a new one. But also said that's independent of the "service security system" fault; which they say might be the ignition module. Were you able to fix your problem?

May 17, 2010 | 2002 Cadillac Deville

1 Answer

DASHBOARD DISPLAYS MESSAGE ANTI-THEFT ACTIVATED CAR MAY NOT START


they security system has been criscrost by another remote from another car. it happens. actually it happened to me. the dealer can pull the system out for you if you want no more problems.

Apr 28, 2010 | 1997 Cadillac DeVille

1 Answer

I have a 2002 Cadillac DTS. It randomly dies when


Had same problem,called my Cadillac buddy and he said pick up both crankshaft position sensors.Charged me $100 cash and has not stalled again,drove me nuts for two years.

Jun 18, 2009 | 2002 Cadillac Deville

1 Answer

Dashboard display


when u fix the problem with the airbag system the light/message will stop, u can have the dealer test it for trouble codes to point in the direction of the problem, right now the airbag is disabled by the system diagnostic module.

May 10, 2009 | 1998 Cadillac DeVille

1 Answer

Clicking starter=car not starting


the battery is located under the rear seat, check battery connections. if connections are tight replace starter.

Mar 29, 2009 | 2002 Cadillac Deville

1 Answer

1995 deville dashboard freak out


try disconnecting battery terminals for 15 min and reset computer

Nov 13, 2008 | 1995 Cadillac DeVille

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