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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 473 (Power Seat System) >> Diagnostic Information and Procedures >> DTC B3920 or B3921 >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

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The MSM will not allow operation of any motor on the power rail for which the DTC was set.

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