The key will not go into ignition at all. Tried turning the wheel still wont go in. Has been working fine. We think it may be the security system keeping us from putting the key into the ignition.
If you are unable to insert the key it might be because the tumbler has been turned past the point of key release it happens a lot with worn ignition tumblers try turning the ignition tumbler forward as if to attempt to start it without the key then try to insert the key if that doesn't work try turning it the opposite direction when you get it inserted you need to replace the tumbler asap if anyone who entends on stealing your car the knowledge that you have reported is enough to raise eyebrows of anyone who has bad ententions! I hope that solves your problem?
If you need further help, reach me via phone at https://www.6ya.com/expert/james_8f14c50d9c6cdea8
SOURCE: How can I bypass a anti auto theft system on my 1990 cadillac seville?
I Have A Seville 1990, When That Happen To Me I Got The Inginion
Replaced Problem Solved. What Is Happening Is Your Key Has A Chip And That Chip Is A Resister And When The Valve Is Not Sented To The Computer It Disengages the Fuel Pump And Than Tells You To Wait. Soon All That Will Happen Is You Will Get The Wait 3 Mins And It Will Never Start, A Good Locksmith Can Take Care Of This For You And That Will Save You Some Money. Cause If You Go To The Dealer Ouch They Will Hit You Up. But I Asure This Is How It Will Happen Cause It Is How It Happen To Me
And Sorry There Is No By Passing The Computer
SOURCE: 2001 cadillac deville security light won't turn off
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!
SOURCE: 88 cadillac deville, ac blower fan wont shut off,
Ralph,
Most common cause of this is the blower fan (proper name for the fan you refer to) continuing to run is a shorted out Electronic Climate Control Module. This solid state device replaces the older style fan speed resistor block (at about 4 times the price) This unit is found on the top of the HVAC box under the hood. (HVAC means heating, ventilation and air conditioning) The HVAC box is found on the passenger side of the firewall. Look behind the A/C's accumulator. It will have an electrical wiring plug on top of it. It will be fastened to the HVAC box with a few 7mm hex head screws. Very easy to change.
FYI, do yourself a favor and replace the blower fan motor at the same time. The Electronic Climate Control Module usually fails because the motor is drawing to many amps of current. This is because it's bushings are worn out or the brushes are worn out.
This is very common on Cadillacs and Buicks.
Charlie
PS Not sure why car won't start. Either you drained the battery or blew a fuse which controls starting the engine. Need more info regarding the "no start" condition.
SOURCE: 94 Cadillac deville will not start due to security
this seems like the theft prevention system, same as on my dads cadi, the chip in the key may be bad,but this is an issue best resolved at a dealership. the computer may need replacing, but its about 1k. take it to a competant gm dealership.
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