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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1343 (Power Seat System) >> Diagnostic Information and Procedures >> DTC B3920 or B3921 >> Conditions for Setting the DTC >> B3920 02

B3920 02

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The voltage on any power rail 1 motor control circuit is below 1.47 volts for 100 ms.

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