Diagnostic Fault Information
WARNING: This page is about a different car, the 2018 Buick Envision. 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 |
| Audio High Signal terminal 1 |
1 |
1 |
1 |
- |
| Audio Low Signal terminal 2 |
1 |
1 |
1 |
- |
| 1. No (or Noisy) OnStar® Audio |