Question about 1995 Cadillac DeVille
After waiting the 3 minutes, I attempted to start and still says theft system armed.
Disconnect your battery wait 30 seconds then reconnect and it wll start for sure. if not get a new or clean your old key and make sure it is dry then try again. I have dealt with this a hundred times an think it has to do with worn chips on the keys/bad sensor in the ignition.
Posted on Jan 10, 2009
Is the theft light flashing?
Posted on Oct 08, 2008
Replace ignition lock cylinder. The wires that arm the anti theft are broken and they will be on a new lock cylinder. You will need to buy a new chip key also to fit new cylinder.
Posted on May 10, 2009
What is the light actually doing while you try to start the car. Also does it allow the car to start.
Posted on Oct 08, 2008
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Posted on Jan 02, 2017
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Feb 05, 2017 | Cars & Trucks
Jan 03, 2016 | 2001 Oldsmobile Silhouette
Theft Deterrent Fuel Disable Signal Received
Perform the Powertrain Onboard Diagnostic System CheckPassword Learn Procedure - Attempt to start the vehicle (leave the ignition "on"). The Theft System telltale will flash for 4 seconds and then remain "on" for 10 minutes. Theft System Learn Mode will display Disabled on the Scan ToolTurn the ignition "off" after the Theft System telltale goes "out".Repeat steps 1 and 2 two more times. After the Theft System telltale turns "off" on the 3rd key cycle, and Theft System Learn Mode will display Enabled on the Scan Tool, attempt to start the engine. Once the engine starts the password is learned.
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