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Car not starting, anti-theft security system activated

Tiny
JEFFREY T. FRYE
  • MEMBER
  • 2005 PONTIAC GRAND PRIX
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
Car wouldn't start. I replaced key lock box and ignition switch but now when I try to start it it says starter disengaged due to anti-theft security system. I've looked up all kinds of different ways on line to reset the security system and nothing has worked. Does it have to be reset at a dealer?
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Sunday, March 21st, 2021 AT 11:32 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,690 POSTS
Lets reboot the system by holding the negative battery cable to the positive terminal for 5 minuets. this guide can help us fix it:

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

Please run down this guide and report back.
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Thursday, March 25th, 2021 AT 10:07 AM

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