Question about 1999 Buick LeSabre

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Security light on 1999 buick lesabre

Dashboard lights all light up, security light flashing, car will not start

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 355 Answers

SOURCE: 1999 buick lesabre security light stays on car wont crank

you can bypass the security system entirely like I did. Once and for all. There is a great DIY write-up here http://newrockies.ca - it was the only thing that saved my Park Avenue.

Posted on Jun 03, 2010

  • 1 Answer

SOURCE: 1995 Buick LeSabre won't start when security light comes on.

When my 1994 LaSabre had a problem recognizing the chip in the key (due to the contacts in the lock not working), I managed to bypass the system by locating the two wires (clear tube with two smaller wires in it exiting the steerin column, unlike any other wiring), cutting the cable, and soldering a resistor across the two wires that go to the hidden module thet in turn controlls the starter and sends a signal to the engine computer. Use a resistor of the same resistamce value as in one of the keys for the car (measure resistors with a digital meter). There are a dozen or so values used. You loose the extra protection of the chip, but the fix is low cost.
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Posted on Jul 23, 2008

  • 27 Answers

SOURCE: security light stays on

First place to check would be a fuse.  See if there is one labled security or alarm.  If there is try changing that.

Posted on Sep 20, 2008

  • 373 Answers

SOURCE: 94 buick lesabre security light flashing

Ok..
Your vehicle is equipaded with Factory Anti Theft System.
Called Pass key II . If the mechanic found the Code
Pass key error....
Is there a few test to Do. to know exactly the problem.

1--- check if the Old and New key Are equipaded with a Little thing (Chip or Ressistence) in the center of the key.
If not you need a key with the chip. and the correct Ohms.

2. If you just replace the battery,
Full charge the battery Attemp to start the vehicle and leave the key in run position for exactly 11 Minutes, Them turn the key to off position for 30 seconds and try to start, if the vehicle start . you did the prosses to program the key.

If the vehicle not start.
Some times this procedure will require Up to 3 times to setup.
Or more with intervals of 30 minutes,, But if not start.
Remove the lower cover of the steering column. and the the Connector orange with 2 white wires shielded with a orange cover.
NOTE.. Be sure to not Confuse with the Yellow wires and connector, They are for the AIR BAG. Dont use a Convencinal Test light on any of the Mentionated wires....

After you find the wire and saw everything ok.

3-- You will need to remove the Ignition Lock cylinder.
The ignition lock cylinder is use 2 white wires shielded with orange cover, On 90% of the cases one of the wires come broken. and the ECM loss the comunication with the Chip incrusted in the key..

Posted on Dec 27, 2008

  • 50 Answers

SOURCE: 1993 buick lesabre won't start. security light is

The coded key probably needs to relearn. Turn ignition to crank and release. Let sit in on position (engine off of coarse) for a full 10 min. turn off for 30 sec. and repeat 3 times engine should start. This procedure should take 30 min. so a booster is needed to maintain a full 12 volts. Do not attempt w/out a charger connected;

Posted on Mar 30, 2010

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Have 2001 Buick LeSabre with Check Engine light. Disconnected the battery and the car won't start. Dashboard lights come on but car won't even turn.


Why would you disconnect the battery?

Do you have a security light on or flashing when you try to start it?

Aug 21, 2013 | 2001 Buick LeSabre

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Dashboard lights on 1999 lesabre went out


is the radio light working if not ,the dimmer switch is probably out!

Apr 07, 2012 | 1999 Buick LeSabre

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My 99 LeSabre battery died and ever since my car will occaisionally not start and the security light comes on. Hours later it will start any suggestions.


you probably need to reprogram your PCM sometimes when the battery goes dead they lose part of its memory and a flash will fix it

Oct 26, 2009 | 1999 Buick LeSabre

1 Answer

99 buick lesabre, battery ok, turn key to start, nothing


The security system (VATS/PassKey) is faulty. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.

Oct 16, 2009 | 1999 Buick LeSabre

1 Answer

99' lesabre starting problem


Not sure if this has be suggested and probably by me... check your starter relay... often found in the engine compartment fuse panel near the battery... it has a cover over it.

Robert

Sep 25, 2008 | 1999 Buick LeSabre

1 Answer

99' buick lesabre


the security light flashes on mine also. i think its just normal. don't worry about it.

Sep 25, 2008 | 1999 Buick LeSabre

1 Answer

Security light stays on


First place to check would be a fuse.  See if there is one labled security or alarm.  If there is try changing that.

Aug 05, 2008 | 1999 Buick LeSabre

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