2000 Pontiac Bonneville

Asked by Guru63TBW Apr 08, 2020 at 06:38 AM about the 2000 Pontiac Bonneville SLE

Question type: Maintenance & Repair

2000 Pontiac Bonneville starts but stalls out after
about 20 minutes whether you're driving or not
security light flashing..

2 Answers
2,270

RickMN answered 4 years ago

Security light flashing means a trouble code is stored in the computer and there's a problem with the anti-theft system. See this post on PassLock issues. https://ricksfreeautorepairadvice.com/passlock-how-it-works/

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