Question about 1994 Buick LeSabre

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Security Light Flashing

Yes security light is flashing,but i have done no repairs except got new battery and a spare key made because a guy put his diagnostic tool on it and it said, pass key error or data key error something like that,but it still does the same thing

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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?

Posted on Dec 31, 2008

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11 Answers

Changed ignition switch now security light stays on and truck starts and kills


You need to relearn the passlock system (security). There are 2 ways. One is with a scanner, which most diy'er wont own an expensive one to do it this way, here is the manual way. Start the truck and let it run until it dies. The security light should then be flashing. Leave the key in the run position until the security light stops flashing (about 10-15mins). After the light stops flashing turn the key off. Try to start the truck again. It should do the same thing (run for a few seconds and then die with the security light flashing). Again wait for 10-15 mins for the light to stop flashing and then turn the key off and repeat the process one last time. That's a total of 3 times. Once you finish the process the 3rd time. Let the truck sit for a minute with the key off. It should now be programmed and start and run normally.

Jun 02, 2014 | 1999 Chevrolet Silverado 1500

1 Answer

Put in a new fuel pump car still won't start has a security light on what do we do to get it started


If the Security Light is on but is not flashing, the security system is fine. If the security light is flashing then turn the ignition key to the run position (do not start). Wait over ten minutes and then try to start the engine. After the ten minutes you should notice that the light stopped flashing. If the engine starts then you do have a problem with the Passlock Security System.

Feb 28, 2014 | Mercury Grand Marquis Cars & Trucks

1 Answer

Security Issue


Usually the flashing security light means the computer is not finding the right code in the key chip.
Is the key you are using programmed to the vehicle ?

May 06, 2013 | 2003 Buick Rendezvous

2 Answers

SECURITY LIGHT FLASHING


I will strong recommend you, to inspect the wiring polarity.

2) The positive + with respective wire and ground or negative with respective ground.

3)Tight very well each connection.
4)Clean each connection from Oxide( very important)
5)Test the circuit breaker or fuse and reset or replace it.
6)If the problem persist. You must go to inspect the battery and Starter from your supplier company.

sincerely. G-b bless you.

ernesto cuadra

Dec 17, 2011 | 2002 Oldsmobile Alero

1 Answer

99 chevy astro ,lost key replaced steering column. now no start. pass-lock ignition,tried key on position for ten minutes 3 consecutive times, still no start. Got fuel and fire. It actually starts for...


Yes it sounds like a security system problem. Does the new column have pass key? You are leaving the key on until the security light stops flashing? The light is flashing for 10 minutes?

Nov 01, 2010 | Chevrolet Astro Cars & Trucks

3 Answers

My 2001 oldsmobile alero will not start, I put gas and it would not crank over. Then the security light started flashing so I turned the key to the on poistion and was waiting 10 minutes and during that...


im just gonna take a stab in the dark here i understand that your security light is on try unlocking your door with your key sometimes you just need to reset the security. otherwise ive seen a security module go bad that may be preventing you from starting it.

Apr 24, 2010 | 2001 Oldsmobile Alero

3 Answers

2001 Oldsmobile Alero will not start. The car turns over but just will not start. Plugs are 4 mths old, tank is full of gas battery and alternator are working. Anybody out there know of anything we could...


you can also try pulling the fuel pump relay under the hood and put it back in. works on my 2000 alero. and yes if the security light is on, you need to turn the key on and wait about 10 min. until it stops flashing, then turn off, then start car.

Jun 12, 2009 | 2001 Oldsmobile Alero

4 Answers

Security light is flashing on 03 grand am


Everything you need to know is on this link

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Mar 26, 2009 | 2003 Pontiac Grand Am

2 Answers

2000 Alero Security light flashing and wont start


With the new lock cylinder in it, turn the key on. The security light should blink. Leave the key on for 10 minutes, the security light will quit blinking and go out after 10 min. This will reprogram your security system and the car should start. Also leave a battery charger on it while the key is on, If the battery goes dead during the 10 minute reprogram sequence, you will have to start over again.

Mar 08, 2009 | 2000 Oldsmobile Alero

1 Answer

Car won't start


yes, the security system will cut fuel to the cylinders or stop the car from cranking. what you can do is called a 30 minute re-learn. have everything turned off and a charger hooked up to the battery if possible, put the key in and attempt to start, release key to the run position and let it sit for about 10 minutes or untill the security light goes out. turn key off for 5 seconds and repeat the process 2 more times. after the process is done 2 more times the car should have re-learned the key and it should start. if it still doesn't start the problem might be somewhere else in the security system but try the 30 minute re-learn first. i can assist you with this problem further if needed as i have excellent resources.

hope it starts for ya!

Feb 20, 2009 | 2003 Oldsmobile Alero

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