Question about 1995 Buick LeSabre

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1999 buick lesabre how to disconect the pass -key security system

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6 Suggested Answers

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

  • 150 Answers

SOURCE: 1999 Buick regal Security light on. Won't start.

A remote starter could be the problem. Have you recently gotten a new ignition key? If you have gotten a new key does it have a chip on it? If so is it the right chip? If no chip on key then that is for sure the problem. As long as that light is on after turning ignition to the on position (not start position) the car will not start when turned to the start position. If this doesn't help you out then submit more information and i'll try to help again.

Posted on Feb 19, 2009

  • 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

  • 205 Answers

SOURCE: Rear brakes need ajustment on Buick Lesabre

I don't know if this works on a Buick but I have had two cars that the auto adjusters worked when you used the parking brake, I rarely use the parking brake so I got in the habit of working the parking brake 20 times or so at oil change time.

Posted on Apr 15, 2009

Molson02536
  • 3854 Answers

SOURCE: i need to reset the security system but dont have

30-Minute Learn Procedure 1. Turn ON the ignition, with the engine OFF. 2. Attempt to start the engine, then release the key to ON; the vehicle will not start. 3. Observe the SECURITY tell tale light. After approximately 10 minutes, the light will turn OFF. 4. Turn OFF the ignition switch, and wait 5 seconds. 5. Repeat steps 1 through 4 - two more times - for a total of 3 cycles of 10 minutes. 3x10 = 30 minutes. The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch turn from OFF to CRANK Important: Turn the Ignition Switch OFF. The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle. 6. Start the engine. The vehicle has now learned the Passlock Sensor Data Code and/or password. 7. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles. Without a scan tool you may have momentary starter interruptions while history clears itself. Good luck and hope this helps, keep me posted, be glad to help.

Posted on Jul 23, 2009

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1 Answer

Need key code via vin number


Your dealer should be able to do this, however if you have a security system VAT, you will need the system checked so you can get the correct key blank. The chip on the key creates a certain amount of Ohms of resistance, that matches your security system. If you use the wrong one the car will not start. There are methods to by pass, however you need your old key, even if its broken to do.

Aug 24, 2014 | 1998 Buick LeSabre

1 Answer

How do i bypass the pass key/ security system- my 98 buick lesabre died on me and i'm sure that's the prob.


Is the security light on and flashing? If not the problem is not the passlock, but if you wish to bypass it here is how you do it. How To Permanently Disable GM PassLock System

Apr 19, 2017 | 1998 Buick LeSabre

2 Answers

Where is the fuse located in 1998 buick lesabre to bypass security light/system


If you mean the anti-theft PASS system, it does not work that way.
You have to have power to the module, and it has to get the right signal from the key chip to start the engine.
Otherwise a car thief could start the car.

Feb 03, 2013 | 1998 Buick LeSabre

1 Answer

I have GMC 1999 suburban wont start and it has the security light on


If it is a Pass III system like my 1999 Buick LeSabre. It means the key is weak. When my car was four years old this happened with all my keys at once. I found in the manual it stated if chip fell out system would reset immediately instead of 2 or 3 minutes. I bought a key from Sears identically cut to my GM but blank no chip to reset the system. When I tried it the car started and I bought four more keys and have used them since. ( 8 yrs) They cost $1.29 each, and have never left me waiting in a cold car again.

Dec 14, 2010 | GMC Suburban Cars & Trucks

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

2 Answers

1999 buick lesabre won't start


Have you tried changing the starter I had to on mine and it solved the prob

Jun 24, 2009 | 1999 Buick LeSabre

1 Answer

Security light staying on on my 99 buick century custom


yes key pass (special meatal resistor) on key to ign. tumbler is going bad and will eventually leave you stranded ignition tumber and rekey will be nessesary

Feb 26, 2009 | 1999 Buick LeSabre

1 Answer

Security Light Flashing


you will have to you the master key to deactivate the security system and reset the system. anytime you disconnect the battery, the security system set a code. what year is this car?

Dec 27, 2008 | 1994 Buick LeSabre

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