Diagnostic Fault Information
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. 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 |
| Valve 1 Control |
B3674 02 |
B3674 04 |
B3674 01 |
- |
| Valve 2 Control |
B3675 02 |
B3675 04 |
B3675 01 |
- |
| Valve 3 Control |
B3676 02 |
B3676 04 |
B3676 01 |
- |
| Ground |
- |
B3674 04, B3675 04, B3676 04 |
- |
- |