Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| B+ Supply Voltage | B2476 00 | B2476 00 | B2476 00 | - |
| Control Terminal 14 | 1 | 1 | 2 | - |
| Control Terminal 15 | 1 | 1 | 2 | - |
| Signal Terminal 11 | 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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