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

2004 PONTIAC GRAND PRIX
350,000 MILES • 3.8L • V6 • 2WD • AUTOMATIC
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TYRONEDAMAN210
  • MEMBER
  • 1 POST
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?
Jan 22, 2025 at 11:55 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,176 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.

Jan 23, 2025 at 12:19 PM
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