Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC - Automatic >> Diagnostic Information and Procedures >> DTC B0228, B0413, B0423, B0433, B3779, or B3782 >> Conditions for Clearing the DTC