It's a 2004 Oldsmobile Alero and I have the GM self learning all types passlock override it's called the express kit pljx I was wondering does that work

You can't. It has an anti-theft device. The days of boosting a car with a couple of wires ended in the 1980s! You have to fix the problem, not find a way around it.

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Passlock has been a problem on GM vehicles for a VERY long time. This link will help you understand the problem and offer some helpful hints and possible solutions you can do yourself

http://vatspasslockpasskeysecurityhelp.yolasite.com/

The passlock antitheft system has been a problem on GM cars since the early 80's. This link explains how the system is supposed to work, symptoms of a failure, pictures, and some DO IT YOURSELF solutions.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Hello Anthony:
If you fuel pump is not engaging, it nay be the security system that is preventing it from pumping. If your security light is flashing, then that is the problem and you will need to reset your security system. If the security light goes out, then it is a BCM or fuel pump problem.
Our company has pages and a description of how toreprogram the ignition switch on GM vehicles (for a small fee). They are broken down into step by stepdetailed instructions. Here is a link to that page. This covers many of the switches from 1997-2006to present. http://www.steeringcolumnservices.com/steering-column-repair-how-to-instructions/gm-buick-cadillac-chevrolet-oldsmobile-pontiac/Passlock-relearn.php Good luckDoughttp://www.steeringcolumnservices.com

his vehicle has a the PASSLOCK II key
based engine disabling system.

You can attempt to put the key in the ignition,
turn it on to just before cranking and then leaving
it that way for 10 mins. After that,
some PASSLOCK systems will re learn the code
and allow for starting. But if not, the system
will either need to be seen by GM or, a bypass module
is required to circumvent.

If left unchecked, it will continue to lock down
the fuel injector rail, and you will need to tow
it in to GM for evaluation, and resetting anyway.

Bothersome, but can be fixed.

I suggest the PLJX bypass kit to get around
this issue. www.PASSLOCK2.com

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.
But as a happy coincidence to installing
after market remote starters, this does work on bypassing
passlock in most all GM vehicles we've run into,
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.

It would on yours as well.

You might want a car alarm installer to do this
for you, the fair rate being around 50. to 75.
for labor.

YOU CANT BYPASS PASS KEY ANTI THEFT SECURITY SYSTEM.ITS PART OF THE PCM.IT WAS MADE WITH CAR.THATS WHY YOUR CAR NOT CRANKING.THE SECURITY THEFT SYSTEM SHUT DOWN FUEL SYSTEM.THE DEALERSHIP HAS TO FIX. IF YOUR IGNITION SWITCH KEY CYLINDER LOCK OR KEYS ALSO THE BCM FAULTY.THE DEALERSHIP HAS TO REPLACE FIX THEM AND REPROGRAM TO PCM IN ORDER FOR CAR TO CRANK.

the 30 minute one is what you use. the 10 minute one is if your doing it with a general motors tech 2 computer.

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.

HI there if the scan tool you are using will not reprogram the theft module the try the 10 min relearn

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 telltale, after approximately 10 minutes the telltale will turn OFF.
4. Turn OFF the ignition, and wait 5 seconds.
5. The vehicle is now ready to relearn the Passlock™ Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK. Important: The vehicle learns the Passlock™ Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
   
6. Start the engine. The vehicle has now learned the Passlock™ Sensor Data Code and/or password.
7. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles