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When i stick my key in the ignition the security light comes on and car want start, what causes that and how do I fix it

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  • Cars & Trucks Master
  • 2,963 Answers

Talk to your dealer about security codes linked to the vin number.

Posted on Apr 06, 2015

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 373 Answers

SOURCE: replaced ignition and steering wheel now car wont start -security light on

Hi......
On your Buick 94.
The problem is the ANTI THEFT SYSTEM..
If you have replaced the ignition switch.
If you are using a NEW KEY, the car won't start.
Because in the OLD KEY, is there a Resistence with a number of ohm's
The computer need the resistence to activate the the signals to operate the vehicle.
OK.. with the New Key and Old Key you can go to any Aloha Smith and they will remove the Chip from the Old Key to the New Key.
And the car must start and running.

But if you are using the Same Key that you have before the repair made.
I recomend to check the 2 Orange wires from the Ignition lock Cylinder to the steering column lower connectors.

Ok I hope this work for your problem.
Any moree info, I will glad to help you.
I'm a Mechanic and have all the repair information for all the cars.

Thank you for use fixya...

Posted on Sep 11, 2008

honeymokey
  • 3113 Answers

SOURCE: Car won't start and when I put the key in the ignition the security light starts flashing

Replace ignition lock cylinder. The wires have broken that go to it.

Posted on Apr 19, 2009

  • 3 Answers

SOURCE: Key is stick in ignition. The key will not release or start the car? The car is in park, emerg. brake is not on.

make sure the car is in park

Posted on May 21, 2009

motorhead427
  • 24 Answers

SOURCE: Aztek won't start,key locked in ignition, service engine light on

It is the security chips in the keys. Has this car been wrecked? Was this car made in Mexico? GM had the bright Idea of creating a security system that would do exactly this, I know on cars made in Mexico (like the HHR) You can reset the power and get the key back out, but vehicle will have to be reprogrammed with the master key. This involves turning the key from off to run position without ever going past run (i.e. start position) leave key in this position for 30 minutes. Turn key back to off for 30 seconds then back to run for 30 minutes. repeat this step three times. the last time, after 3rd 30 minute period, turn key off for 30 seconds and then try to crank. Please note this only works if the original master key is being used. You can then reprogram the second key following a similar sequence, only master key that is working has to be inserted to let alarm system know that vehicle is not being stolen only that you are trying to reprogram a key. If original master key is not being used then vehicle has to be taken to the GM dealership to program keys and possible key module replacement.

Posted on May 30, 2009

  • 6982 Answers

SOURCE: 2001 Chevy impala had ignition switch replaced,

Turn the key to "on" and let the light flash. It should stop flashing after about ten to twenty minutes. Once the light is on steady, turn it off, then start the car. I usually put another battery on jumper cables attached to the cars battery so it does not run down and die before the system re-arms.

Posted on Aug 16, 2009

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3 Answers

We bought a new ignition switch for the key not coming out of the ignition but when we installed the new switch the car wouldn't start...is there a step that we're missing? (2004 Aztek)


Hello: TRY THIS Attempt to start the car leave the key on for 10 minutes or until the security light goes out, at this time turn key off for 10 seconds, turn switch on for ten more minutes or when security light goes out, turn key off for 10 seconds. Turn key ON for ten minutes or when security light goes out, turn key off wait 10 seconds, then start car....

Jul 31, 2011 | 2004 Pontiac Aztek

1 Answer

Security light comes on while going down the road, whats wrong and how do i fix it?


hows the ignition key and tumbler? are they worn bad so you have to jiggle it to turn it after first putting in the key or is it loose and sloppy? sounds like the problem is with the key and ignition tumbler(thats the thing your sticking the key in)

Jan 20, 2011 | 2000 Chevrolet Tahoe

4 Answers

Security light keeps going on, I'm not able to start it then... how do I disable this?


IF YOU AWAY FROM HOME. LIKE AT WORK, SHOPPING MALL OR STORE.WHEN YOU GET IN CAR AND IT DONT CRANK.PUT KEY IN THE IGNITION SWITCH AND TURN IGNITION SWITCH TO THE ON POSITION FOR 10 MINUTE.UNTIL YOU SEE THE SECURITY LIGHT TURN OFF. WHEN SECURITY LIGHT TURN OFF TURN OFF IGNITION SWITCH WAIT FOR 5 SECONDS. THEN TRY STARTING VECHICLE SHOULD START.TAKE VECHICLE TO DEALERSHIP.THEY WILL HAVE SCAN VECHICLE.YOUR PROBLEM COULD BE WORN IGNITION KEYS OR WORN IGNITION SWITCH ALSO FAULTY BCM.THE DEALERSHIP HAS TO FIX AND REPROGRAM THEFT SECURITY SYSTEM.IF YOU REPLACE KEYS, IGNITION SWITCH OR BCM. THE 10 MINUTE TRICK WILL GET CAR STARTED TO GET HOME OR SHOP.BUT DONT KEEP DRIVING BECAUSE IT WILL COME TO A POINT WHERE VECHICLE WONT CRANK AGAIN.

Nov 20, 2010 | 1999 Oldsmobile Alero

1 Answer

Securyty ligth car dont star


ANY TIME SECURITY LIGHT COME ON YOU HAVE FAULT IN THE IGNITION KEY OR KEYS THEY COULD BE WORN OUT WHERE TO A POINT WHERE THE BCM AND PCM DONT RECOGNIZE THE CAR KEYS CAUSING NO START CONDITIONS.ALSO WORN KEY SWITCH AND BCM WILL CAUSE NO START CONDITIONS.TRY THESE TWO THINGS TRY ANOTHER CAR KEY IF STILL DONT CRANK.PUT KEY IN IGNITION TURN KEY TO ON POSITION WITH ENGINE OFF LEAVE KEY ON POSITION IN IGNITION FOR 10 MINUTES WATCH DASH SECURITY LIGHT WHEN IT TURNS OFF IN 10 MINUTES.TURN OFF IGNITION FOR 5 SECONDS THEN TRY STARTING CAR IF CRANKS OR DONT STILL THE PROBLEM IS IN THE THEFT SECURITY SYSTEM NEED TO GET DEALERSHIP TO FIX THEY HAVE DIAGNOSTIC EQUIPMENT TO FIX AND REPROGRAM THEFT SECURITY. SYSTEM.

May 25, 2010 | 1999 Oldsmobile Alero

1 Answer

Security light stays on and car will not start go back later light is off and car will start. Any sugustions?


WHEN SECURITY LIGHT COME ON YOU HAVE PROBLEMS IN EITHER THE IGNITION SWITCH OR WORN KEYS.OR YOUR BODY CONTROL MODULE GOING BAD.THE DEALERSHIP HAS TO FIX.IF THEY HAVE TO REPLACE THE IGNITION SWITCH - KEYS - OR BODY CONTROL MODULE.THEY HAVE TO REPROGRAM NEW KEYS AND IGNITION SWITCH TO THE BCM AND PCM SO CAR WILL CRANK.

May 12, 2010 | 1999 Oldsmobile Alero

1 Answer

Dono star inicion


WHEN YOU SEE SECURITY WARNING LIGHT.YOUR IS BCM FAULTY OR IGNITION KEY OR IGNITION SWITCH IS WORN UNTIL A POINT WHERE THE BCM AND THE PCM DONT RECOGNIZE THE KEY OR IGNITION SWITCH.SO IT GOES INTO SECURITY MODE THINKING CAR BEING STOLEN.CAUSING SECURITY LIGHT TO COME ON.THIS IS A DEALERSHIP FIX.NOT CHEAP FIX.COST $500.00 THEY WILL HAVE TO GO IN DASH.IF ITS YOUR BCM. BUT THE DEALERSHIP HAS REPLACE BCM OR IGNITION KEY AND SWITCH.THEY WILL HAVE TO REPROGRAM THEM TO THE BCM AND PCM SO YOUR CAR WILL START AGAIN.

Mar 03, 2010 | 1999 Oldsmobile Alero

1 Answer

The security light comes on after u turn the car off for 10 mins and then try to start it is there any ways to fix it of turn the security light off


MOST OF THE TIME YOUR BCM GOES BAD OR THE KEYS ARE WORN UNTIL THE BCM AND PCM DONT RECOGNIZE THEM CAUSING CAR TO GO IN SECURITY THEFT MODE.SO THE KEYS AND IGNITION SWITCH AND BCM HAS TO BE REPLACED AND REPROGRAM.THIS IS DEALERSHIP FIX.BECAUSE THEY HAVE TO USE A SCANNER TO REPROGRAM NEW KEYS AND IGNITION SWITCH TO THE BCM AND PCM SO CAR WILL START.

Feb 20, 2010 | 1999 Oldsmobile Alero

1 Answer

I have a 99 Olds 88 and it is not starting the security light comes and and flashes, it does not crank, and the security light has been on for about a year while i am driving, any solutions?


YOUR IGNITION KEY IS WORN OR IGNITION SWITCH KEYLOCK CYLINDER AND BCM IS FAULTY.THIS WILL CAUSE CAR TO GO IN SECURITY ANTI THEFT MODE.THE DEALERSHIP HAS TO FIX AND REPROGRAM CAR TO CRANK.

Feb 07, 2010 | 1999 Oldsmobile Alero

1 Answer

When driving security alert comes up saying car may not start up if turnt off. When i turm the car off security alert says started disengaged and take key out.


One of the wires on the ignition lock has rubbed through the insulation. thes wires are so tiny you cant repair them,

So what happens when you start the car it grounds the wire that has rubbed through causing the light.
when you turn off the car it breaks the ground.

But the theft system rembers the fault for 3 minutes. Causing the light telling you to remove the key for 3 minutes before trying to restart.

The only fix I know Of is to replace the ignition lock.

Oct 18, 2009 | 1998 Cadillac DeVille

1 Answer

What can i do about the security problem and stalling?


HAVE YOUR CAR HOOK UP TO A DIAGNOSTIC SCANNER TO SEE WHAT CAUSING THE CHECK ENGINE LIGHT TO COME ON.IF YOU ARE HAVING SECURITY PROBLEMS THE DEALERSHIP HAS TO FIX IT.SOME TIMES YOUR IGNITION KEY OR LOCK CYLINDER IS WORN WHERE THE BCM AND PCM DONT RECOGNIZE IT.THINKING ITS A THEFT CAUSING CAR TO SHUT OFF.SEE THE DEALERSHIP HAS TO SEE IF YOUR KEYS IS WORN TO A POINT WHERE THE BCM AND PCM.DONT RECOGNIZE. THE IGNITION KEYS.SO THEY HAVE TO REPLACE THE KEYS ALSO IGNITION SWITCH AND BCM.THEN THEY HAVE TO REPROGRAM THE NEW KEYS AND IGNITION AND BCM TO THE PCM SO THE CAR WILL CRANK UP.THIS IS A DEALERSHIP FIX.

Sep 18, 2009 | 1999 Oldsmobile Alero

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