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Home >> Chevrolet >> 2007 >> Suburban C2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 1966 (Immobilizer System) >> Diagnostic Information and Procedures >> DTC P1631 >> DTC Descriptor

DTC Descriptor

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. 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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