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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 448 (Sunroof System) >> Diagnostic Information and Procedures >> Power Sunroof Malfunction >> Diagnostic Aids

Diagnostic Aids

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Prior to performing the sunroof system circuit diagnosis, perform the Sunroof Motor/Actuator Initialization/Teach Process .