Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
| 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 |
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