Question about 2001 Cadillac DeVille
The owner had signs of a break in attempt as you know the security system locks up the car well this happened it had to tow lifted to a dealership they replaced the key ignition and the horn/security never got resolved they said it needs a new airbag to correct the horn fuse blowing?
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Posted on Jan 02, 2017
It should have Turned off with the Insert of the Newly Programmed Key. If Not, It may need a Computer Reset. You Can try Pulling the ECM Fuse for 5 Min. to Reset the Computer. If this does not work, Try disconnecting the Battery and Reconnecting. Make sure that you have a RadioCode before Disconnecting the Battery Though. Please Rate My Response! Thanks!
Posted on Jan 30, 2009
I had a similar problem intermittent NO START. No click, buzz or other noise. Everything worked but wouldn't start. Unfortunately it took two trips to the dealer to locate the problem. Next time it happens find the purple wire in the wire harness under the cover on top of the engine. A simple tester that connects to ground with an lighted "awl" type probe will tell you if there is power from the key to that point. If there is and you're not starting then the only other thing downline is the starter. Can't repair them only replace. Dealer will be about 900.00 P&L , If you're daring or have some help it's right on top DIY 400.00.
Posted on Apr 21, 2009
IF when you purchased your car you didn't set your own personal code you will have to take this to your local GM dealer and they can pull the code that is set at the factory and unlock your radio.THe proceedure for setting your own code then unlocking radio is in your owners manual.The dealership I worked for did this for free.
Posted on Aug 31, 2009
I have had the same problem and I have come to the conclusion it is the security system. After 3 minutes the car will start so there is nothing wrong with the battery or starter. I have had it to the dealer a few times and they cannot solve it. It may be the locks on the doors and they may not be resetting properly. I have learned to live with it.
Posted on Oct 14, 2009
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