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How to reset passlock gm - Vehicle Parts & Accessories

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First need to know what type of vehicle you have...typically you can turn the ignition to on and let it stay there for around 5 to 10 mins...then it will reset itself...procedure could take 3 to 5 times

Posted on Nov 17, 2013

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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 2003 Chevy impala will not trun over at swith


Does the "security" light come on? It may be an issue with the GM Passlock anti-theft system. There is tons of information on repairing the GM Passlock problems. Just search for "2003 Passlock issues."

Oct 27, 2014 | 2003 Chevrolet Impala

1 Answer

How do I reset passlock on 2003 bravada


Reset passlock, the passlock is built into the GM PCM, you can program the passlock with the GM Tech2 programmer at the dealer or if you put the wrong key in the car, leave the ign on for 20 minutes and it will go to bypass mode, you may have a faulty ign switch and the resistor wont read well anymore

Feb 09, 2014 | Vehicle Parts & Accessories

1 Answer

Gm passlock system


unfortunately gm will have to reset the system and make you a new key

May 20, 2013 | 1996 Chevrolet Cavalier

2 Answers

How do u bypass the passlock on a 1999 alero


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/

Oct 06, 2011 | 1999 Oldsmobile Alero

1 Answer

My car wont start the sercurity like flashes all my lights do come on when i try to start my car but it wont kick over when i try to start my car


If the light is flashing it may be an issue with the passlock sensor.Here is a process you can try to reset the passlock. If this process does not work you may need to replace the ignition tumbler and passlock.
PASSKEY LOCKOUT RESET ALL GM CARS 1999 AND UP
1) Put the key in the ignition and turn to the "ON" position. Leave it that way for 10 minutes. After 10 minutes turn the key and take it out. Repeat this process (2) more times (3 times, 30 minutes total) This should reset the PASSKEY system to recognize your key
.

Mar 08, 2011 | 1999 Chevrolet Lumina

1 Answer

My chevy tahoe will not start and the security system light is on on the dashboard


If the light is flashing it may be an issue with the passlock sensor.Here is a process you can try to reset the passlock. If this process does not work you may need to replace the ignition tumbler and passlock.
PASSKEY LOCKOUT RESET ALL GM CARS 1999 AND UP
1) Put the key in the ignition and turn to the "ON" position. Leave it that way for 10 minutes. After 10 minutes turn the key and take it out. Repeat this process (2) more times (3 times, 30 minutes total) This should reset the PASSKEY system to recognize your key
.

Mar 08, 2011 | 2001 Chevrolet Tahoe

1 Answer

What is the passcode for the anti theft system


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.

Jan 26, 2011 | 1999 Chevrolet Malibu

1 Answer

How do i reset the passlock on a 2001 impala


There is a detailed write-up here: http://newrockies.ca . The guy is great, this was the only way I was able to save my Park Avenue.

Feb 17, 2010 | Megatronix - PASSLOCK-SL2 - GM Passlock...

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

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