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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Body & Frame >> Seats >> Power Seats >> Diagnostic Information and Procedures >> DTC B3920 or B3921 >> Conditions for Setting the DTC >> B3920 02

B3920 02

The MSM detects a short to ground on a group 1 motor control circuit.

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