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Find kill switch to a security system on a 2003. Pontiac grand am

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  • Pontiac Master
  • 14,585 Answers

Try a reset. Turn the ignition on for ten minutes, off for thirty seconds. Try to start. There is a relearn also. You'll need the battery on a charger for this. Do the same thing three times, try to start after the third time. If still no go. First, the key doesn't have a chip in it, but the lock cylinder does. These had problems with the wires that went to that chip. Pull the bezel of the steering column. You'll see a small plug with 3 small wires, yellow,black, and white. at the back of the lock set. These wires would break right at the plug. You have to remove the lock set to remove the plug. I have always had to get the plug at the junk yard.

Posted on Dec 26, 2016

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  • Pontiac Master
  • 11,048 Answers

Kill switch to a security system ? No such thing !

Posted on Dec 26, 2016

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Posted on Jan 02, 2017

Papa Chan
  • 56 Answers

SOURCE: security system wont let car start

It sounds like the security system has been activated so you need to roll down the drivers side window and close the door. Reach in and turn on the key to the Run position and leave in on for 10 minutes. After 10 minutes is up, turn off the key and then try to start the car. The car should start. If it doesn't start do the process over again. This usually fixes the problem. There is no way to turn off the security system unless you have a key fob. If you have the key fob, just unlock the car and that will disable the security system. I hope this has been helpful.

Posted on Jan 02, 2009

MrScary66613
  • 1990 Answers

SOURCE: Keyless Entry for 2003 Grand Am

This is a Dealer Option and they all Charge Different Prices. I have heard of Prices from 50.00 to 175.00 depending on what Options are on the Car.

Posted on Jan 23, 2009

  • 1071 Answers

SOURCE: 2003 pontiac grand am gt security light is on constant

no way around it need a new ignition switch immobilizer is bad

Posted on Jul 21, 2009

  • 226 Answers

SOURCE: 2003 Pontiac Grand AM suddenly won't start and

Check to see if you have a computer chip on your key. Chances are that the computer chip or the reader in the ignition keyhole is not reading it properly. If you leave the key on, engine off, for 15-20min. that security will reset and the light will go off. Turn key off and now try to start engine.

Posted on Aug 16, 2009

  • 64 Answers

SOURCE: 2004 pontiac Grand Am with security passlock starting problems

Unfortunately you are correct, this
vehicle has the PASSLOCK II key
based engine disabling system, and currently it
is engaged. The sensor does not recognize &
retain the passlock reader chip in your ignition
switch any longer.

A bypass is required to circumvent.
If left unchecked, it will lock down the fuel injector
rail (as it has now), and you will need to
tow it in to GM for evaluation, and resetting.
Eventuall, the 10 minute over ride will cease to
work and you will finally be forced to visit
a Pontiac/GM dealer.

But, if you want to just remove this system
from the equation entirelly,
I suggest the PLJX bypass kit to get around
this issue.

This Passlock Bypass Module is designed to momentarilly
allow the engine to remote start by sending a proper
coded pulse to open the fuel rail passlock injector
cut off circuit.

The output from an alarm/remote starter
would then shut down the pulse, once it has detected
the engine has engaged, and preserve the integrity
of the passlock system.

That is it's designed purpose.

However, in your case, this input wire on the PLJX module,
instead of going to a momentary ground pulse from
an alarm/remote starter,
would go to a constant chassis ground, through
the bypass module, grounding out the PASSLOCK.
The PASSLOCK would then always be bypassed as long
as that wire is chassis grounded.

I can not speak about a damaged passlock system,
like if a thief has destroyed it, because I do not
get into this part of GM'S security application.
Coincidence to installing
after market remote starters, this does work on bypassing
passlock in most all GM vehicles,
including your year GM vehicle as well.

Also, this is a self learning, resistor sensing
and adjusting module. Once the VATS wires have been tapped,
you would press the program button to learn,
and it does. The car should then allow start
with any hardware store key.

Posted on Sep 12, 2009

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A security light in my dash comes on and when it does the next time i kill my car it wont crank. it kills the ignition, starter, fuel pump and maybe more. i have to turn the key into the on position and...


Looks like the security system (PassKey) is having problems, it's typical on those cars and it can get worse till the car wont start anymore. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.

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Turn the ignition switch to the on position and let the light blink. It should stop in about 10-20 minutes. then you can start the engine. if the light does not stop blinking likely the key switch is bad or, (less likely the module). Make sure your battery is in good condition when doing this or it wii kill the battery before the coding is complete (use a jumper to a good battery if necessary but don't turn the other vehicle on)

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Security light flashing and it kills the car - can not start


Till u can get it to the auto shop, turn everything off turn your key like you are going to start it when it gets in the start spot let it go, then wait 13 mins dont touch nuttin. after waiting 13 mins turn the key in the off position, then start it and it will start right up so far i have had to do this twice and it works every time. It has something to do with the Security system I have an appointment monday to have chevy look at it and find out what it is.

Aug 16, 2009 | 2003 Pontiac Grand Am

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2003 Pontiac Grand AM suddenly won't start and security light is flashing on the dash board. All systems are OK such as Battery new, fuel ok and ignition starting system ok. Looks like some anti-theft...


Check to see if you have a computer chip on your key. Chances are that the computer chip or the reader in the ignition keyhole is not reading it properly. If you leave the key on, engine off, for 15-20min. that security will reset and the light will go off. Turn key off and now try to start engine.

Aug 16, 2009 | 2003 Pontiac Grand Am

1 Answer

2003 pontiac grand am gt security light is on constant


no way around it need a new ignition switch immobilizer is bad

Jul 21, 2009 | 2003 Pontiac Grand Am

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Electrical problem


If you have the passkey system you might want to take it to the dealer to have it tested, and if that is ok then there is a way to bypass the security system which I had to do in my Bonneville.

Jul 08, 2009 | 2003 Pontiac Grand Am

1 Answer

2003 pontiac grand am 2.4 car won't start changed fuel pump and fuel filter, will not start car stopped running while driving security light come on


Your problem is in the security system. That will disable the fuel system, so a theif cant steal your car. I'd bet you will need to change the key and sensor for the key, it's part of the ignition switch.

Jun 18, 2009 | 2003 Pontiac Grand Am

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