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Home >> Pontiac >> 2007 >> Grand Prix Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Immobilizer System) >> Diagnostic Information and Procedures >> DTC P1631 >> DTC Descriptor
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DTC Descriptor

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
DTC P1631

Theft Deterrent Fuel Enable Signal Not Correct

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