Question about 2004 Oldsmobile Alero

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Runs fine but security light is always on. CAn it be turned off?

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Mine did the same thing then eventually it wouldn't start and I was having issues with it.. I would def check out this link.. its got good info on this problem. hope it all works out for ya Do It Yourself GM Security bypass

Posted on Apr 24, 2015

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  • Expert
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It will turn on if the ignition key has not chip otherwise take car to the dealer

Posted on Apr 24, 2015

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Posted on Jan 02, 2017

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1 Answer

How do i bypass the pass key/ security system- my 98 buick lesabre died on me and i'm sure that's the prob.


Is the security light on and flashing? If not the problem is not the passlock, but if you wish to bypass it here is how you do it. How To Permanently Disable GM PassLock System

Apr 19, 2017 | 1998 Buick LeSabre

1 Answer

The car wil start it and runs fine, I turn it off and it wont start again engine turns but no fire


CALL UR NEAREST DEALLER AND THEY WILL GIVE YOU YOUR SECURITY CODE FOR FREE

Jan 16, 2013 | 1994 Buick LeSabre

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

1 Answer

I have a 2003 gmc sierra went to start it and it does nothing but the battery is fine what would cause that to happen


IF BATTERY CABLES CLEAN AND TIGHT.STARTER AND SOLENOID GOOD.SEE IF YOU SEE THEFT LIGHT ON WHILE KEY IN RUN POSITION.IF SECURITY LIGHT ON YOUR CAR IS IN THEFT SECURITY MODE.TRY ANOTHER KEY.PUT IN IGNITION FOR 10 MINUTES IN RUN POSITION WITH ENGINE OFF.WHEN SECURITY LIGHT TURN OFF. TURN OFF IGNITION SWITCH .WAIT 5 SECONDS TRY CRANKING TRUCK.IF STILL DONT CRANK.HAVE TRUCK HOOK UP TO A SCANNER TO CHECK FOR THEFT SECURITY MODE FAULT.

Jul 29, 2010 | 2003 GMC Sonoma Extended Cab

2 Answers

It wont start after justr unning fine


The security system is shutting down your fuel pump for some reason.Have the car checked for security codes.

Aug 26, 2009 | 1997 Oldsmobile LSS

2 Answers

1996 Oldsmobile Achieva: Security light flashes upon startup


Here is what you do, but only when the SECURITY light flashes - if it is always ON or OFF it's no use.
Turn the key in the ignition to ON.
Wait for exactly 10 minutes ( SECURITY light will flash for 10 minutes and then stay on SOLID)
Turn the key to OFF
Wait 5 seconds.
Turn the key in the ignition to ON.
Wait for exactly 10 minutes.
Turn the key to OFF
Wait 5 seconds.
Turn the key in the ignition to ON.
Wait for exactly 10 minutes.
Turn the ignition OFF.

Start the car normally.
It has relearnt the keycode and you're good to go.
NOTICE - it takes 30 minutes to relearn, that's THREE cycles of ON - 10 minutes - OFF.

Good luck.

Jul 11, 2009 | 1996 Oldsmobile Achieva

1 Answer

My cars drives fine but the seucrity light wont go off when u first start the car ever things works fine then once u get going then light comes on and the gaugaes quit but still runs fine


Mine has the same problem. If you have had to turn your iginition to reset the security system ever, after about the 10th time you've done it the light will stay on. You can take it to a dealer and have them deactivate the light if you wish. The car runs fine . My gauges work but if the light bothers you it will cost about $40 at the dealer to turn off.

Mar 22, 2009 | 2002 Oldsmobile Alero

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