Diagnostic Fault Information
WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. 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 02 |
B2476 04 |
B2476 04 |
- |
| Red LED Control Terminal 14 |
1 |
1 |
2 |
- |
| Green LED Control Terminal 15 |
1 |
1 |
2 |
- |
| Ground |
- |
B2476 04 |
- |
- |
1. OnStar® LED Inoperative
2. LED Illuminated At All Times |