Diagnostic Fault Information
WARNING: This page is about a different car, the 2017 Cadillac ATS. 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 |
| B+ |
U184A, U0140 |
U184A, U0140 |
- |
- |
| Ignition |
U184A, U0140 |
U184A, U0140 |
- |
- |
| Low Speed GMLAN Serial Data |
U0078* |
U0078, U184A |
U0078* |
- |
| Ground |
- |
U184A, U0140 |
- |
- |
| * Scan Tool Does Not Communicate With Low Speed GMLAN Device |