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Home >> Hummer >> 2008 >> H2 4D Utility Pickup >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Cellular, Entertainment, And Navigation) >> Diagnostic Information and Procedures >> OnStar Button LED Inoperative >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, With the scan tool command the VCIM to turn on the red and green LED.

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