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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1606 (Immobilizer System) >> Diagnostic Information and Procedures >> DTC P254F >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Both the hood open switch signal circuit and the hood closed switch signal circuit are simultaneously in an active or inactive state.