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Home >> Hummer >> 2008 >> H3 Base, Standard >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 11 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> OnStar Button LED Inoperative >> Diagnostic Fault Information
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Diagnostic Fault Information

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
OnStar Button LED Inoperative

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Keypad Supply Voltage B2476 00 B2476 00 B2476 00 -
Keypad Green LED Signal 1 1 2 -
Keypad Red LED Signal 1 1 2 -
Keypad Signal 3 3 - -
Inside Rearview Mirror Ground - 1 - -
1. OnStar® LED Inoperative
2. LED Illuminated At All Times
3. OnStar® Buttons Inoperative