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When i try to start my vehicle the security light come on and it will not start

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What yr is your car and what kind?

Posted on Sep 06, 2010

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97 Nissan quest wont start red security light blinking


The Security Indicator Light illuminates to indicate that the security system is either working properly or to let you know that there is a fault in the system.
If the Security Indicator Light is flashing with the key out of the ignition lock and accessory position, this is a normal sign that the alarm and the immobilizer system is active.
While starting the car or key in the "run" position, the security lamp should illuminate briefly then go out. This a "bulb check" and is also normal.
If the Security Indicator Light is on steady with the key in the "run" position, and the vehicle won't start, there could be a fault with the system. In this case, the first thing to try is a different key to see if this starts the vehicle. If it starts, the key is faulty or the system has a problem with that key. If you are still getting a no-start with the light on steady, the system is at fault and will need to be inspected.

Dec 14, 2016 | Nissan Cars & Trucks

2 Answers

How do I reset my security code


There is a pretty standard procedure for resetting the security in GM vehicles. This is it.

Perform the re-learning procedure
  1. Turn ON the ignition, with the engine OFF.
  2. Attempt to start the engine, then release the key to ON (vehicle will not start).
  3. Observe the SECURITY light, after approximately 10 minutes the light will turn OFF.
  4. Turn OFF the ignition, and wait 10 seconds.
  5. Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes ( the vehicle
  6. is now ready to relearn the Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK).
Start the engine (the vehicle has now learned the Sensor Data Code and/or password).

Your specific vehicle does not actually claim that this works. This is for a few years after your vehicle, but it is worth a try. If it doesn't work, then you may actually have a failure on your hands that needs to be addressed. More info on this site. http://www.diy-gm-security.com/

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May 14, 2016 | 1997 Pontiac Grand Prix

1 Answer

How to remove kill switch


If the vehicle is equipped with a factory security system and the security light is blinking, the theft deterrent will not allow the vehicle to start. Have you tried another key? You can relearn the theft system. Make sure the battery has a good charge. Turn key on until all dash lights come on ( do not try and start ) and leave key in on position for 15minutes. Turn off key and wait 5 seconds. Try and start vehicle. Some times this procedure will need to be done 2 times in order for the relearn to be succesful.

Feb 20, 2016 | 2003 Chevrolet Chevrolet Monte Carlo SS

1 Answer

How do I reset the security system on my 2002 grand am gt. I tried changing the factory radio and now my security system doesn't work


You can try this re-learn procedure, if that doesn't work you will need to bypass the security system. I hope you bought the wire harness adapter for that vehicle. They need it.

Perform the re-learning procedure

  1. Turn ON the ignition, with the engine OFF.
  2. Attempt to start the engine, then release the key to ON (vehicle will not start).
  3. Observe the SECURITY light, after approximately 10 minutes the light will turn OFF.
  4. Turn OFF the ignition, and wait 10 seconds.
  5. Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes
  6. The vehicle is now ready to relearn the Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK.
  7. Start the engine (the vehicle has now learned the Sensor Data Code and/or password).
Here is a link you can follow to learn more on the security system
http://diy-gm-security.com/ Do It Yourself GM Security bypass

Nov 02, 2014 | 2002 Pontiac Grand Am

1 Answer

Theft security problem


Usually it means the computer is not accepting the chip in your key.
It can be the key, the sensor in the lock cylinder, or something in the security module or computer.
You might try another key or lock and unlock the driver's door with the key.

Jul 27, 2013 | 1998 Cadillac DeVille

2 Answers

My trail blazer 2006 wont start and it has a light on of a car with a lock what does this mean heeelp please as soon as possible emergency


You have now experienced GM's terrible anti theft security system. These systems are known for failing and will cost you an arm and a leg to fix. Anywhere from $350 - $700 plus labor. Most mechanics wont even touch these "PASSkey" security systems.You'll have to go to a Dealer mechanic. The good news is that you can bypass these systems permanently. And you're vehicle is one of these lucky ones that CAN be bypassed. This link should help you find what you need and help inform you of how this system works.

http://vatspasslockpasskeysecurityhelp.yolasite.com/ TRAILBLAZER 2002 2003 2004 2005 2006 2007 2008 Effected by Passlock/PASSkey Failure. tayjoejoe_17.jpg

Jul 11, 2011 | 2006 Chevrolet Trailblazer

1 Answer

Car starts up for a seacond and shuts off and the security light flashes


Sound like a SECURITY SYSTEM is armed; I suggest check in the Owners Manual to disarm...

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When the PASS-Key III system senses that someone is using the wrong key, it shuts down the vehicle's starter and fuel systems. The starter will not work and fuel will stop being delivered to the engine. Anyone using a trial-and-error method to start the vehicle will be discouraged because of the high number of electrical key codes.

When trying to start the vehicle if the engine does not start and the SECURITY light comes on, the key may have a damaged transponder. Turn the ignition off and try again.

If the engine still does not start, and the key appears to be undamaged, try another ignition key. At this time, you may also want to check the fuse. If the engine still does not start with the other key, your vehicle needs service. If your vehicle does start, the first key may be faulty.

Hope this helps.

Jun 10, 2011 | 2002 Pontiac Grand Prix

1 Answer

Alero security light.


if security light is flashing turn ignition switch to run position but do not try to start light will be flashing let vehicle sit for about ten or fifteen mins. light will stop flashing when it does start car you have just reset security system

Aug 25, 2010 | 1999 Oldsmobile Alero

2 Answers

2001 chevy venture security light on wont start


It may be as simple as trying a different key but the security systems on gm vehicles have had problems with the ignition cylinders going bad and preventing the car from starting.

May 19, 2010 | 2001 Chevrolet Venture

1 Answer

Starter turns but no ignition, PK3 M security, the problem is intermittent and does not cause a problem with every start. So far I have been able to get it started after several attempts with differing...


is your security light in dash flashing if so try to start let off key but do not cut off leave key on so all your dash lights are on let vehicle set for at least 15 mins. flashing security light should stop flashing once it stops flashing start vehicle sounds like it has tripped security

Mar 16, 2010 | 2002 Pontiac Grand Prix

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