Question about 1999 Cadillac DeVille

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MY 1999 Cadillac deville will not start-up it say Anti theft problem car may not restart please help

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  • dee
    dee Apr 26, 2011

    it says theft system problem car my no restart please help someone

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Could be the chip in the key. Mine did that and I got a new key and it started right up.

Posted on Apr 04, 2011

  • dee
    dee Apr 05, 2011

    it did not work any more suggestion please help me

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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....

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