Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Fault Information
| 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 | -- | -- |
| Button Assembly Ground | -- | 1 | -- | -- |
| 1. OnStar® LED(s) Inoperative 2. LED illuminated at all times 3. OnStar® Buttons Inoperative |
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