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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (HVAC System - Manual) >> Diagnostic Information and Procedures >> DTC B0413, B0423, B0433, B3779 or B3782 >> Circuit/System Verification

Circuit/System Verification

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Ignition ON, command the appropriate actuator to 100 percent with a scan tool. The scan tool should display between 224 and 230 counts on the mode actuator, all other actuators should display between 199 and 205 counts.

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