"Disabled due to security theft system" message appeared, how do I fix that?

Tiny
TYRONEDAMAN210
  • MEMBER
  • 2004 PONTIAC GRAND PRIX
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 350,000 MILES
I replaced my fuel pump and now due to the security system my car will not start. The security light will come on for about 3 seconds and then stop and not blink so I cannot just wait 10-15 minutes for it to be ready for me to turn over. I have been fighting for days. How do I fix this?
Wednesday, January 22nd, 2025 AT 11:55 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 50,167 POSTS
Do you have the correct key or an extra key you can use? It sounds like the system is not recognizing the chip in the key. I would try a hard system reboot as well.

This guide can help you:

https://www.2carpros.com/articles/step-by-step-guide-performing-a-hard-system-reboot-for-your-vehicles-electronics-systems

This guide will show you how to reset the system if the hard reboot does not work:

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

Please go over these guides and get back to us.

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Thursday, January 23rd, 2025 AT 12:19 PM

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