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Security light to go off

Tiny
ANONYMOUS
  • MEMBER
  • 2004 OLDSMOBILE ALERO
  • 119,000 MILES
How do I get the security light to go off? Stays on steady after car has started. Horn sounds continuously Tried turning key on for 10 minutes and turning off. When I started the car security light stays on and horn sounds Also tried cutting the yellow wire leading to the ignition and attaching 3300 OHMS to black wire and other end to yellow wire No Luck
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Saturday, January 26th, 2013 AT 2:50 PM

12 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Hello,

I would try a hard reboot of the system this guide will tel you how to reset the alarm system in your car.

https://www.2carpros.com/articles/how-to-reset-a-security-system

Please let us know if you need anything else to get the problem fixed.
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Saturday, January 26th, 2013 AT 4:45 PM
Tiny
ALBDAMN
  • MEMBER
  • 1 POST
  • 2003 OLDSMOBILE ALERO
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 32,000 MILES
Security light has been coming on after driving several miles. No problems running yet. Recently put in new battery after a sudden no crank at turn of key. Did not notice if security light was flashing at that time. Should/can I reset something or am I heading for a new ignition switch?
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Thursday, February 28th, 2019 AT 4:37 PM (Merged)
Tiny
TWIZTIDMAFIA
  • MEMBER
  • 43 POSTS
What you need to do is cycle the security system which you can do by turning the ignition key to the on position without starting the car. Let it sit unlit the security light stops flashing then turn the key off, then back on again and start the car within 5 seconds. That should do it here is a guide that will help as well.

https://www.2carpros.com/articles/how-to-reset-a-security-system

Please let us know if you need anything else to get the problem fixed.

Cheers

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Thursday, February 28th, 2019 AT 4:37 PM (Merged)
Tiny
SARAHBAKER
  • MEMBER
  • 1 POST
  • 2002 OLDSMOBILE ALERO
  • 145,000 MILES
I have a 2002 oldsmobile alero. I was having trouble with the ICM and occasionally had to wait ten minutes for the security light to turn off before starting my car. This morning the car refused to start so I replaced the battery and the ICM. The engine turns over but still refuses to start. Do you have any idea what's wrong?
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Thursday, February 28th, 2019 AT 4:37 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
How do you know it was the ignition control module? Does not make sense.

Did you try another key which is simple unless you dont have one. It is the most common failure on these security systems.

Usually a security issue starts up and dies immediately. If not, start with a fuel pump pressure test and verify spark at the plugs.

Roy
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Thursday, February 28th, 2019 AT 4:37 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
You can bypass it by allowing the key to remain in the run position for aprox 10 minutes until the light turns off. Other than that, it needs to go to the dealer to identify where the problem is coming from. THey are the only place that has the proper equipment to identify the problem.
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Thursday, February 28th, 2019 AT 4:37 PM (Merged)
Tiny
VIOLETJONES
  • MEMBER
  • 2 POSTS
  • 2002 OLDSMOBILE ALERO
  • 117,254 MILES
Security light stays on and car will crank but it wont start
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Thursday, February 28th, 2019 AT 4:37 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be the fuel enable is missing-Scan the computer for code/s-start here
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Thursday, February 28th, 2019 AT 4:37 PM (Merged)
Tiny
VIOLETJONES
  • MEMBER
  • 2 POSTS
How can I get the codes cant start it to take it anywhere to hook it up
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Thursday, February 28th, 2019 AT 4:37 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You can try renting one and scan it for code/s-this is your starting point of diagnosis
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Thursday, February 28th, 2019 AT 4:37 PM (Merged)
Tiny
MERCER KING
  • MEMBER
  • 1 POST
  • 2000 OLDSMOBILE ALERO
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 98,000 MILES
The security light is on and flashing
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Thursday, February 28th, 2019 AT 4:37 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
If that is on, I'm sure you are having a no start situation. Try a different key. The transister in the key may be bad. If it doesn't help, then I hate to say it but it needs to go to a dealer. They are the only ones with the proper test equipment to diagnose the problem.
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Thursday, February 28th, 2019 AT 4:37 PM (Merged)

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