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Ineedto know how to by-pass anti-theft passlock on my satun 2004 ion or how to re enter the code after you reset

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  • Cars & Trucks Master
  • 2,185 Answers

The passlock light is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterperates this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle.
This link may help you find ways to bypass this or fix it yourself.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on Apr 26, 2013

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Posted on Jan 02, 2017

reichweinj
  • 71 Answers

SOURCE: 1999 Buick Regal - need steps to unlock anti-theft (I have my code)

I believe it is the 3 and 5 buttons on the radio it will bring up the #'s keep pushing them until you get your code all typed in.

Posted on Nov 03, 2008

  • 2039 Answers

SOURCE: passlock

on the ignition key you have to change the ignition baril put new one in try to start it wont leave the key on theft light will flash for 20 minute turn key off and start it thanks pierre

Posted on Nov 30, 2008

  • 38 Answers

SOURCE: HOW DO I RESET THE ANTI-THEFT

If its a factory installed radio and not an aftermarket radio, only dealerships can reset the radio for you. The reason for being is dealerships needs to be sure that his or her radios are not stolen.

Posted on May 18, 2009

  • 5 Answers

SOURCE: theft deterrent

call 1888mitsu2001, choose option #4, then hit * (star). give the operator the last 8 numbers in your vin and they will provide the radio code for FREE!

DO NOT PAY FOR THE CODE ONLINE OR GO TO THE DEALER (they will also charge you).

Posted on Jul 02, 2009

Molson02536
  • 3854 Answers

SOURCE: pass lock problems

Your Passlock may need to relearn the ignition keys, if the ignition lock has gone bad like my in-laws Grand Am Gt, here is what i did so they will not get stranded any more. Buy a Passlock by pass module for around $70.00. You can order one from GMPASSLOCK.COM in the mean time try resetting the Passlock. Good luck

Ignition keys relearn takes about 30 min to do. 30-Minute Learn Procedure
1.) Turn ON the ignition, with the engine OFF.
2.) Attempt to start the engine, then release the key to ON; the vehicle will not start.
3.) Observe the SECURITY tell tale light. After approximately 10 minutes, the light will turn OFF.
4.) Turn OFF the ignition switch, and wait 5 seconds.
5.) Repeat steps 1 through 4 - two more times - for a total of 3 cycles of 10 minutes. 3x10 = 30 minutes.
The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch turn from OFF to CRANK Important: Turn the Ignition Switch OFF. 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.

Without a scan tool you may have momentary starter interruptions while history clears itself.



Posted on Jan 18, 2010

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Sallie, may have to have security reset at the dealer if you can not do it yourself. Check the attached links,instruction and guides, Good luck
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What most i do when my 2002 chevy avalanche security light keep flashing


Take it to the dealer or a ASE certified repair shop .or go on youtube an check out videos on anti-theft by pass for GM vehicles .There are a few different type's . VATS , pass key 1,2 or three . Being yours is a 2002 model year it isn't the VATS .
Passlock™ System
The theft deterrent system has been incorporated into the body control module (BCM). The theft deterrent is provided in order to prevent the vehicle operation if the correct key is not used in order to start the vehicle. The ignition key turns the lock cylinder. The cylinder rotation produces an analog voltage code in the Passlock™ sensor. This voltage code is received by the BCM. The BCM compares the voltage code to the previously learned voltage code. If the codes match, a class 2 message is sent from the BCM to the powertrain control module (PCM)/vehicle control module (VCM). The message enables the fuel injectors.
The design of the Passlock™ system is to prevent vehicle theft by disabling the engine unless the ignition lock cylinder rotates properly by engaging the correct ignition key. The system is similar in concept to the PASS-Key® system. However, the Passlock™ system eliminates the need for a key mounted resistor pellet. The components of the Passlock™ system are as follows:
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Feb 18, 2016 | Cars & Trucks

1 Answer

96 buick skylark starts & stalls, theft light on not flashing. Dissconnected map sensor still starts & stalls. No chip in key, changed fuel filter. whats goin on here?


This is pass lock antitheft system not pass key, pass key system is found on newer gm vehicles and has a transponder in the key. Pass lock system has a hall sensor on the lock cylinder.
System Operation
If the mechanical key is not used to start the vehicle, the PASSLOCK?"¢ system is designed to prevent vehicle operation. The mechanical key, in normal operation, will turn the PASSLOCK?"¢ lock cylinder. The PASSLOCK?"¢ lock cylinder will relay a Resistance Code (R-Code) to the instrument cluster. Within a preset time window started from an ignition switch input and will send a coded password to the powertrain control module (PCM). The instrument cluster will determine the validity of the R-Code. For the fuel injectors to operate normally, the powertrain control module (PCM) receives the correct code
Passlock System
Disabling the engine unless the PASSLOCK?"¢ lock cylinder is correctly engaged by a mechanical key. The PASSLOCK?"¢ system is designed to prevent vehicle theft. This system is similar in concept to the Passkey system. The PASSLOCK?"¢ eliminates the need for a key mounted resistor pellet. The components of this system are as follows:
?€¢
PASSLOCK?"¢ lock cylinder


?€¢
Ignition switch


?€¢
Instrument Cluster and Powertrain control module (PCM)


If the theft light is on there is a problem and a code set. You can try to do reset . Turn the key on , don't try an start the car . Let key on for 10 min. till the light goes out, if it goes out turn ignition off an wait a couple of min. then start the car

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My son 2004 ion key would not turn off. so i took it apart & remove the tumblers so it would turn off & on now it start but turns off rigth away, like the fuel is turning off.


It is. You have damaged or disrupted the passlock antitheft system.

This link explains and there are some solutions on there too that you can do to fix this yourself.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

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When I lock my 2004 Saturn ION with the remote, the Passlock light comes on for about 10 seconds then starts blinking. When I do it manually from the door and then shut the door, it does not do that. I...


Passlock is the anti theft that is built into your car from GM. If the car is not stalling while driving or having starting issues, it is probably not a problem. It might just be an informative light. If it ends up making your car die or not start, it is a passlock failure which can be expensive.

http://vatspasslockpasskeysecurityhelp.yolasite.com/ I found this site when i had my passlock problem. Has alot of information on it.

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it resets the anti theft system, so vehicle will start. all gm vehicles from 97-2005, contain a anti theft system called a passlock system. go to tubesound.com to disable passlock for good. (just type in your problem when page comes up).

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My 2004 Chevy Malibu passlock keeps locking


you can easily bypass the security system entirely. There is a great write-up here http://newrockies.ca . That was the only solution that saved my Park Avenue.

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most likely the PASSKEY anti theft has locked u out, try the reset outlined below, if that is not the problem let me know.

PASSKEY LOCKOUT RESET GM CARS 1999 UP
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