Question about 1998 Chevrolet K1500

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Every so often the security light will come on and when i try starting it the light will flash and it start for 2 sec then shut off.. have to wait 10 min up to hourss for the light to stop flashing

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Try your spare key. The transponder in your current key may be damaged... if the spare key acts the same - the reader may be on its way out.

every so often the security - moz-screenshot.pngmoz-screenshot-1.pngThanks for using Fixya - a 4 THUMBS rating is appreciated for answering your FREE question.

Posted on Sep 07, 2010

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1 Answer

Reset security system


To review - the factory VATS security system will not let the engine crank or start if the wrong key is used or there is a problem with the system.
So if the engine was cranking the security system was not at fault.
You may have to get a used shop manual to get the testing procedures for a no start-stall problem.

Feb 25, 2013 | 1999 Chevrolet Cavalier

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97 cavalier cranks will not start theft light stays on


Is the security light flashing? If so, turn ignition on and wait for 10 minutes and light should stay on solid. Then try and start the car without turning the ignition back off. Then turn off ignition and wait 1 minute. Then turn ignition on and see if security light is flashing. If not try and start your car. If it is flashing, try waiting again with just the ignition on and see if it goes out.

Nov 24, 2012 | Cars & Trucks

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Security light is flashing. car will not start on my 2003 oldsmobile alero


I OWN a 2001 Olds Alero and the same thing happens to mine.. It's an easy fix..
1. Turn the Key to ACC (keep it in this mode for the entire 10 minutes).
2. The security light on the Dashboard will flash for exactly 10 minutes..
3. Once the 10 mins are over, the security light will stay solid..
Wait for the red light to disappear off the dashboard...
YOU ARE NOW READY TO TURN YOUR CAR OFF AND RESTART YOU CAR....

SIMPLE FIX..
I DO THIS ALL THE TIME TO MINE..

Nov 06, 2012 | 2003 Oldsmobile Alero

1 Answer

2004 grand am wont start. checked fuses. replaced fuel pump and regulator. still wont start


if you turn the car to run is your security light staying on or flashing continusly.HEY THERE, this is what is called security mode. If you so much as disconnect the battery the system must be relearned. The manule way goes like this;put your key in ignition. putt a battery charger on it,at least 10 amp. charge. know turn the key as if you were trying to start it, as soon as you here the starter click let go of the key. let it sit with the key in the run position for at least 10-20 min. go get a coffee, then turn key off wait 10 sec,s start it. The security light will flash and then go out if you were sucsessful

Jan 01, 2012 | 2004 Pontiac Grand Am

1 Answer

Why wont my car start even after i tried the security reset. i turned key to on position for 10 minutes turned it off then tried to start it 3 times. security light still flashes


turn the key on and wait till the security light stops flashing ( this could take as long as 30 minuets ) then turn the key off then back on but do not try to start the engine and wait till the security light stops flashing ( again this could take as long as 30 minuets ) then turn key off then turn key on and start engine.

Jan 31, 2011 | 1996 Buick Regal Olympic Gold

1 Answer

I have a 2001 saturn sw and replace the ign and the secuirty light flashs and eng will not crank.i dissconnected the battery over night and still the same. thanks steve


Hello: Try this procedure, Turn key on attempt to start engine leave key on, the security light should be blinking, wait 10 minutes. The security light should be off. Turn key off for 10 seconds, turn key back on (DO NOT ATTEMPT TO START) wait another 10 minutes. Turn key off for 10 seconds. Do the procedure again as in step 2. At the end of the third time turn key off then ten seconds later attempt to start the car. It should start.

Nov 25, 2010 | 2001 Saturn SL

3 Answers

My 2001 oldsmobile alero will not start, I put gas and it would not crank over. Then the security light started flashing so I turned the key to the on poistion and was waiting 10 minutes and during that...


im just gonna take a stab in the dark here i understand that your security light is on try unlocking your door with your key sometimes you just need to reset the security. otherwise ive seen a security module go bad that may be preventing you from starting it.

Apr 24, 2010 | 2001 Oldsmobile Alero

3 Answers

Replaced ignition switch 2003 chevy impala and car will not start


After you replace the ignition switch turn the key to start the car and release leave the key were it stops after trying to start wait 10 minutes until security light goes out turn key to full off position then repeat the above procedure two more times for a total of three on the 3rd attempt to start car wait for light to go out then turn key to full off positoion wait 10 seconds then try to start car body control module should learn new pass code and the car should start.
Big john, J@J Automotive

Sep 15, 2009 | 1999 Chevrolet Lumina

1 Answer

Chevy Cavalier starts but won't keep running


ARE THERE ANY SECURITY CODES?

IS THE SECURITY LIGHT FLASHING AFTER A START ATTEMPT WHEN THE KEY IS LEFT IN THE RUN POSITION?

IF THE SECURITY LIGHT IS FLASHING LEAVE THE KEY IN THE RUN POSITION UNTIL IT GOES OUT, SHUT IT OFF, WAIT 10 SECONDS, THEN TRY TO START IT AGAIN. IF IT STARTS YOU HAVE A PROBLEM WITH THE THEFT MODULE, BCM, OR THE WIRING BETWEEN THEM.

Jun 01, 2009 | 1998 Chevrolet Cavalier

1 Answer

My 2007 tahoe security light came on and now my car wont start. Do you have any idea how to unlock the security? I have tried looking in my manual and no clue


It's the passlock system that is acting up.. I have the same problem at the moment but mines came from disconnecting my stereo system, the power wire sparked and toasted one of the computers. now the important thing is if the security light is flashing or is steady on.. if it is flashing you just have ti reset the security by turning the key to the on posistiona and wait about 10 - 15minutes and let the pass lock reset.. is it is steady on (no flashin):

a steady light means that you could have a Class 2 data circuit problem. It indicates that your "passward" from your key in the "passlock" is not getting sent to the (Vehicles Thieft Deterrent) thats inside your Vehicles Control Module. This shuts down your fuel log or injectors stopping the engine from starting. The vehicle might start, but then stalls after 4 sec or so.
It's like the vehicle thinks it's been stollen. That's too bad, if your light was flashing "and" your cycles were correct the car would have re-leaned the passward and started.
A problem could mean...but not limited to a open,shorted or grounded circuit....or a loose or open connector between these comunicating systems: SIP/PCM/VTD/VCM and perhaps the EBCM.
Security Insturment Panal
PCM - Passlock Control Module
VTD - Vehicle Theift Deterrent
VCM- Vehicle Control Module
EBCM - E Brake Control Module

you may have to have the dealer check and replace / but instead of passlock system you may have the Passkey 3+ system

Jan 25, 2009 | 2007 Chevrolet Tahoe

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