Diagnostic Fault Information
WARNING: This page is about a different car, the 2022 Cadillac CT4. 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+ | U1518 00 | U1518 00 | - | - |
| Serial Data | 1, U1518 00 | U1518 00 | 1, U1518 00 | - |
| Video Signal | 1 | 1 | 1 | 1 |
| Switch Signal | B110A 11 | B110A 15 | B110A 15 | B110A 63 |
| Switch Low Reference | - | B110A 15 | - | - |
| Ground | - | U1518 00 | - | - |
| 1. Head-Up Display Malfunction | ||||