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How to disable the security passlock system on 2005 pontiac grand am

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  • Pontiac Master
  • 2,194 Answers

This link may help you find ways to bypass this or fix it yourself.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on Nov 01, 2012

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Posted on Jan 02, 2017

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  • 436 Answers

SOURCE: 1996 pontiac grand am se passlock1 or passlock2

passlock 1

Posted on Oct 02, 2009

  • 436 Answers

SOURCE: 2000 Pontiac Grand Am -- Security light/Passlock

there is a way to bypass the system we do it often but you will need to buy a data bypass unit to install in order to bypass the passlock sensor in the dash. Once the unit is installed, it is turned on by inserting the key into ignition, then the unit will send the proper code to the BCM allowing it to unlock the ECM and then car will start.

Posted on Aug 30, 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

  • 165 Answers

SOURCE: how do you reset passlock 2 for a pontiac grand

turn the key on for 10 minutes or more if you want. then you will see the security light stop blinking, then you turn the key off. you repeat this three times then it should start. Good luck.
somtimes they are quick and easy, and some times you have to do it a couple of times. make sure your battery is charged up.

Posted on Oct 23, 2009

motor1258
  • 6674 Answers

SOURCE: spark plug gap for 2005 pontiac grand prix gt 3.8

.060 thousandths of an inch.

Posted on Nov 19, 2009

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1 Answer

I installed a new steering column in my 2004 Pontiac sunfire and now it will not start. It tries then I beta back fire.


Anti-theft system isn't allowing it too .
The Passlock™ System is provided in order to prevent vehicle theft if the ignition lock cylinder is forced to rotate or the ignition switch is operated while separated from the ignition lock cylinder case. If starting is attempted without authorization from the Passlock™ System, the powertrain control module (PCM) will disable engine starting. Start disable may be in the form of fuel disable or starter disable, depending on engine application.
The components of the Passlock™ System are as follows:
• The ignition lock cylinder and key
• The ignition lock cylinder case, including the Passlock™ sensor
• The ignition switch
• The body control module (BCM)
• The security indicator on the instrument cluster
• The powertrain control module (PCM)

Feb 05, 2017 | 2004 Pontiac Sunfire

1 Answer

Wont start passlock not on got jump it starts then wont start got another jump wont start tried passlock relearn lites gagues work got jump it starts it wont start again wit jump took battery in itsok


Need to turn off passlock - Chevrolet - iFixit

https://www.ifixit.com/Answers/View/.../Need+to+turn+off+passloc...

iFixitThose of you that have stalling problems, it is not passlock. ... traction fault on the display when it shuts down or won't start and have to wait my 10 min to restart.

GM Passlock Security Light Issues - RepairPal

repairpal.com/gm-passlock-security-light-issues
If you find yourself stranded, your engine won't start, and the security light is flashing, ... The most common repair is to replace the ignition lock cylinder or Passlock ... The warning light on the VATS system is similar except it does not have the ...

No Start Due to Failed Passlock Sensor : Pontiac Grand Am ...

repairpal.com > Problems > Pontiac > Grand Am

Dec 05, 2015 | Cars & Trucks

1 Answer

My 2002 Pontiac grand am will turn over but will not start


You may have an issue with the Passlock Security system. If the key security code is not read when the key is inserted, the Passlock system de-activates the fuel pump. Many GM vehicles are on a recall list at this time due to such problems. The earlier models started about 2001 and goes to about 2009. Other possible problems could be ...No fuel in the tank, a bad fuel pump, or even a bad ignition module. Check the things you can check, and for the others you will need a mechanic. Best Wishes

Sep 02, 2014 | 2002 Pontiac Grand Am

1 Answer

Replace ignition module and crank sensor and the car still want fire up,please help


These cars are notorious for this problem. It stems from the passlock security system found on these GM vehicles. Here is a link full of info and some do it yourself fixes http://vatspasslockpasskeysecurityhelp.yolasite.com/

Apr 27, 2011 | 2005 Pontiac Grand Am

1 Answer

Need to disable antitheft on 1997 pontiac grand am 2.4


Very difficult to disable. This car uses a passlock system to enable engine starting. The ignition cylinder sends a signal to the instrument panel which then sends a coded signal to the PCM. It would be much easier to fix the anti theft than to try to disable it.

Dec 21, 2010 | 1997 Pontiac Grand Am

1 Answer

What causes the security light to start flashing and disable the starter? have to wait with the key on, and it is becoming a real hassle


Hello! Unfortunately, you are experiencing a common issue with many Grand Am owners. The problem is that you have a defective PassLock sensor. When the sensor doesn't "close" when you turn the ignition, it detects a fault and will not start. If you leave the ignition in the "On" position for 10 minutes, it will reset and allow you to start the vehicle. The ignition cylinder contains the sensor, and this part is roughly $400 and not particularly easy to replace.
There are however, bypass methods available that will disable the PassLock feature entirely. I have included a link to the instructions here.
NOTE: Be aware that some of the bypass options will disable your PassLock anti theft system ENTIRELY. I recommend utilizing one of the options that explicitly states that your system will be fully operational after modification (toggle switch method, for instance)

Hope this helps and good luck! Thanks for using FixYa!

Oct 01, 2009 | 2003 Pontiac Grand Am

1 Answer

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.

Sep 12, 2009 | 2004 Pontiac Grand Am

1 Answer

2000 Pontiac Grand Am -- Security light/Passlock -- Engine turns over but won't start & the security light flashes. This has happened twice in the last 3 months. Do anyone know if this type of problem...


there is a way to bypass the system we do it often but you will need to buy a data bypass unit to install in order to bypass the passlock sensor in the dash. Once the unit is installed, it is turned on by inserting the key into ignition, then the unit will send the proper code to the BCM allowing it to unlock the ECM and then car will start.

Aug 30, 2009 | 2000 Pontiac Grand Am GT

2 Answers

2005 Pontiac grand prix 3.8 doesn't start


Try this: Turn ignition on for AT LEAST 10 minutes without doing anything else. After 10 minutes, turn the key to start, thre is a good chance of it running. Long explanation, but it has to do with the PassLock security system futzing up.

Nov 30, 2008 | 2005 Pontiac Grand Prix

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