Question about Oldsmobile Alero

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2001olds alero security light

Reset or by pass security light

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  • Oldsmobile Master
  • 2,185 Answers

This is a common problem on GM cars and trucks. This link explains it well, and offers some solutions to help you fix this yourself.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on Feb 08, 2012

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Posted on Jan 02, 2017

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02 olds alero no start system shut down


Where did you try to by-pass at , with the 2000 ohm resistor ? Is the SECURITY light lit on the instrument cluster ? Probably has another problem other then the key . The anti-theft system in your vehicle can not be by-passed by using a resistor .

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.

Your best bet , take it to a qualified repair shop . Before you render it unfixable . (cost to much )

Jan 26, 2017 | 2002 Oldsmobile Alero

2 Answers

How to reset anti-theft on a 2000 alero


The security, antitheft or lock picture/icon 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 misinterprets 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 explains it pretty well.
http://www.diy-gm-security.com/

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Apr 04, 2015 | 2000 Oldsmobile Alero

2 Answers

Security system operations on 2001 olds alero


Turn the key to acc and wait about 10 minuter for the security light to go solid or stop blinking

Jun 14, 2014 | 2001 Oldsmobile Alero

1 Answer

I just replaced the ignition switch and lock in my 2000 alero and now it starts and runs fine but the security light is on and stays on. How do I reset this security light?


TURN THE IGNITION SWITCH TO THE ON POSITION FOR 10 MINUTES WITH ENGINE OFF.UNTIL SECURITY TURNS ITSELF OFF.THEN TURN OFF IGNITION SWITCH WAIT 5 SECONDS.THEN START THE ENGINE.IF SECURITY STILL ON DEALERSHIP HAS TO FIX.

Jan 18, 2011 | 1999 Oldsmobile Alero

3 Answers

My 2001 Oldsmobile Alero wont start, it trys to turn over, but no go. i can hear the fuel pump working, any ideas?


It could be a problem with the passlock system. Does the security light flash when you try to start it?

Nov 24, 2010 | 2001 Oldsmobile Alero

2 Answers

I just replaced the starter in my 2000 olds alero and now it wont start it keep flashing securty....it thinks it is benig stolen....how can I fix this


Most likely you replaced the starter because it wouldn't crank over. If this is correct and the security light was flashing before replacing the starter, then most likely you have a problem with the pass-lock system. If your ignition cylinder is located in the dashboard, you will need to remove it and replace the passlock housing.

Sep 27, 2010 | 2000 Oldsmobile Alero

1 Answer

Alero security light.


if security light is flashing turn ignition switch to run position but do not try to start light will be flashing let vehicle sit for about ten or fifteen mins. light will stop flashing when it does start car you have just reset security system

Aug 25, 2010 | 1999 Oldsmobile Alero

3 Answers

Oldsmoble Alero ignition security problem


It doesn't have to be the security. a dead battery won't let the car crank either. With a security problem the car will crank but not start. The security can be reset if the battery is charged and up. Turn the key on ( do'nt crank ) the security light will stay on if it needs to be reset. If it remains on leave the key on for 15 minutes around then it will go out. turn the key off and then turn it right back on, the security light will be on again. Leave the key on till the light goes out again, then turn it off then turn it back on , wait again when it goes out turnthe key off then right back on then crank the engine and it should start. With a scanner the code will be security neweds to be reset. Thia is all anyone can do to reset the security and it's what you were charged $450 for. Following directions.

May 18, 2010 | 2001 Oldsmobile Alero

1 Answer

2004 Alero... Cranks but won't start, have to


Yes. pass-lock has roughly a 10 minute timer.

Dec 01, 2009 | 2004 Oldsmobile Alero

1 Answer

2001 olds alero, anti lock light on


I had the same problem when I first got my Alero. The problem turned out to be a bad wheel bearing. Seems odd, but I guess it's a common problem with Aleros. It's held up for two years without any further incident.

Jan 08, 2009 | 2001 Oldsmobile Alero

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