Question about 1997 Buick LeSabre

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Why does my pass key set off security system when I try to start car?

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This is most times caused bya defective key sensor in the ignition lock, if u would like to bypass the system follow these instructions.
http://vats.likeabigdog.com/

Posted on May 27, 2010

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  • Expert
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Very often it could also be a problem in the TDM that is the core of the security system.The resistor trick would only bypass the key and the lock, but leaves the TDM and wiring harness in the loop. There is a great write-up on how to completely bypass the security system on http://newrockies.ca - it was the only way I was able to save my Park Avenue after weeks that it was stuck.

Posted on Jun 03, 2010

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Posted on Jan 02, 2017

alicantecoli
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SOURCE: Can I bypass the Passlock security system?

never heard of this happening before ,sounds more like the code reader behind the steering lock is playing up.If it is then its dealer only,have a funny feeling this could be an expensive repair.Sorry i couldnt be much more help but this fancy electronic stuff is designed to stop general mechanics like myself from doing repairs.

Posted on Mar 16, 2009

jwyatt816
  • 3 Answers

SOURCE: 2001 Cadillac Deville Security System

Check engine to chassis ground I had same prob

Posted on Oct 03, 2008

  • 5 Answers

SOURCE: 2003 Saturn Ion will not start. Security lock is on.

You can do a 30 min relearn that should allow your car to start. 12185916466 call me!

Posted on Dec 23, 2008

emissionwiz
  • 76846 Answers

SOURCE: 99 olds aurora pass key problem

There is most likely a problem with the tiny sensor in the ignition lock cylinder, it is not reading the key chip and locks u out, the problem is u can't just replace the lock cylinder u need a dealer only re-programm of the pass key system since the control module will not recognize the new lock code, catch 22 if u ask me. Do u have more than one key for the car? do both do this?

Posted on Jan 16, 2009

  • 2 Answers

SOURCE: Resetting the security system in a 2002 chevy impala

if you impala dont start try taking the cluster fuse of and putting it back on is the one on the left side of the dashboard next to the big square relay it mt may not fix the problem but im sure it will get you going again it has always work for me good luck and let me know if it work for you

Posted on Feb 26, 2009

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2 Answers

Security system operations on 2001 olds alero


Turn the key to acc and wait about 10 minuter for the security light to go solid or stop blinking

Jun 14, 2014 | 2001 Oldsmobile Alero

1 Answer

I changed my steering column but my past key turns everything on but it wont start the car do i need new ignition key


Yes, you need the correct resistor chip in the key for the PASS- key system to allow starting and the injectors to work. The computer will sense the correct resistance from the PASS- key and allow car to start.
PASS means Personal Auto Security System. Visit a locksmith who understands the PASS-key security system. Or the dealer. One of them should help you resolve it.

Mar 17, 2013 | 2000 Cadillac DeVille

1 Answer

Security light comes on and car will not run. However when security light goes out car runs well. What is the problem?


you car is equipped with a pass key system, this year is most likely a pass key 2, but there is a small chance it is a pass key one, the pass key one has a pellet in the key ( a little black square in the shank of the key ) the pass key 2 has a resistor in in the ignition tumbler assembly ( that is the the key lock but it is called a key and tumbler assembly ) what is happening is the security system is not recognizing your key all the time in either case you will most likely have to replace the key and tumbler assembly, in order to do this you will need to have the system tested to know what the residence value is so you can get the proper key and tumbler set.

Mar 01, 2011 | 1996 Oldsmobile Achieva

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

1 Answer

In my 2000 chevy camaro my security light is on and my car wont start what process do i need to do to get it running?


Your vehicle is equipped with the PASS-Key II (Personalized Automotive Security System) theft-deterrent system.
PASS-Key II is a passive theft-deterrent system. It works when you insert or remove the key from the ignition.
PASS-Key II uses a resistor pellet in the ignition key that matches a decoder in your vehicle. When the PASS-Key II system senses that someone is using the wrong key, it shuts down the vehicle's starter and fuel systems. For about three minutes, the starter won't
work and fuel won't go to the engine. If someone tries to start your vehicle again or uses another key during this time, the vehicle will not start. This discourages someone from randomly trying different keys with different resistor pellets in an attempt to make a match.

The ignition key must be clean and dry before it's inserted in the ignition or the engine may not start. If the engine does not start and the SECURITY light stays on when you try to start the vehicle, the key may be dirty or wet. Turn the ignition off.

Clean and dry the key. Wait about three minutes and try again. The SECURITY light may remain on during this time. If the starter still won't work, and the key appears to be clean and dry, wait about three minutes and try another ignition key. At this time, you may also want to check the fuses (see "Fuses and Circuit Breakers" in the Index). If the starter won't work with the other key, your vehicle needs service. If your vehicle does start, the first ignition key may be faulty. See your dealer or a locksmith who can service the PASS-Key II.

If you accidentally use a key that has a damaged or missing resistor pellet, the starter won't work. The SECURITY light will flash. But you don't have to wait three minutes before trying another ignition key.

See your dealer or a locksmith who can service the PASS-Key II to have a new key made.

If you're ever driving and the SECURITY light comes on and stays on, you will be able to restart your engine if you turn it off. Your PASS-Key II system, however, is not working properly and must be serviced by your dealer. Your vehicle is not protected by the PASS-Key II system. If you lose or damage a PASS-Key II ignition key, see your dealer or a locksmith who can service PASS-Key II to have a new key made. In an emergency, call the Chevrolet Roadside Assistance Center at 1-800-CHEV-USA or 1-800-243-8872 (In Canada call 1-800-268-6800).

Also this could helpfull: 2000 Chevrolet Camaro - Owners Manual

Hope helps.

Oct 12, 2010 | 2000 Chevrolet Camaro

1 Answer

Need owners manual to see how to fix a problem with the security system. The key has a chip and somehow it won't start the car Mechanic thinks it is in the security system related to the chip in the key...


The chip is part of the PASS-II security system. It is designed to prevent engine being started with another key. It is part of the security system. When you insert key and turn the ignition to the on or start position, does the security light in dash panel flash? Unfortunately, there is no way to by-pass or turn it off. Also, the key and chip must be completely dry and clean. Contact your nearest GM dealership or a locksmith who can service the PASS-II system to get a new key. I had a 1995 Buick Regal with the same problem. I had to get a new key from the dealership. Let me know if this works for you or not. Thanks.

Jun 11, 2010 | 1994 Oldsmobile Cutlass Supreme

1 Answer

Car is starting but shuts off


if the car starts for a few seconds and then shuts off look at the dash and see if the security light is on or flashing if so put the key in the on possition and leave it there for about 20 min and walk away then try to start it. this is a very common problem with the secruty system/anti theft systems in GM cars and trucks this system is called pass key or pass lock. if you have another key to this vehicle try using that and see if it starts if not and the security light is on and after a few times of the 20 min trick if the truck does not reconize the key you may have to replace the key and lock cylinder

Jan 14, 2010 | 2000 Chevrolet Tahoe

1 Answer

Pass key 2005 tahoe won't start


you could try calling a reputable locksmith. some have the tools to program an ignition key. they should be a lot cheaper than your dealing

Nov 17, 2009 | 2005 Chevrolet Tahoe

2 Answers

How do i reset the security system on my 2003 chevy impala


Are you reffering to the alarm or the pass lock system that put the theft light on.....If its the alarm the put the key in the door and unlock it. If its the pass lock system put the key in the ignition and turn it on and try to start the vehicle. After it shuts itself off leave the key on for ten min until the theft light stops flashing the turn key off and try to start it again. This may take a few times....

Jul 24, 2009 | 2003 Chevrolet Impala

2 Answers

Grand prix no start


Try locating and reading the fuse box to discover which fuse is for the security system. Pull the fuse for the security system. Good luck.

Apr 27, 2009 | 1996 Pontiac Grand Prix

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