Diagnostic Fault Information
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. 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 | - |
| Control 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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