Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 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 |
|---|---|---|---|---|
| 10 V Reference | - | B2476 04 | - | - |
| Control Terminal 14 | 1 | 1 | 2 | - |
| Control Terminal 15 | 1 | 1 | 2 | - |
| Signal Terminal 11 | 3 | 3 | - | B2476 59, B2482 00 |
| Ground | - | 1 | - | - |
| 1. OnStar® LED Inoperative 2. LED Illuminated At All Times 3. OnStar® Buttons Inoperative |
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