Diagnostic Fault Information
WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. 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 |
|---|---|---|---|---|
| Camera Ignition/RAP voltage | 1 | 1 | - | - |
| Camera Backup Signal | 1 | 1 | - | - |
| Camera Module signal + | 1 | 1 | 1 | - |
| Camera Module signal - | 1 | 1 | 1 | - |
| Camera Ground | - | 1 | - | - |
| Bypass Module B+ | B127E 00, 2 or 4 | B127E 00, 2 or 4 | - | - |
| Bypass Module Ignition | 5 | 5 | - | - |
| Bypass Module Backup Signal | 5 | 5 | - | - |
| Bypass Module signal + | B127B 2B or 3 | B127B 2B or 3 | B127B 2B or 3 | - |
| Bypass Module signal - | B127B 2B or 3 | B127B 2B or 3 | B127B 2B or 3 | - |
| Bypass Module Ground | - | 2, 4 | - | - |
| Shield | - | - | - | - |
| LIN serial Data | B127E 00 | 6 | - | - |
| USB harness (K74 to K188) | B127E 00 | B127E 00 or 3 | - | - |
| USB harness (K188 to P17) | - | 4 | - | - |
| 1. Rear vision camera image not displayed 2. No radio information display on P17 Info Display Module 3. Rear vision camera image lacks projection lines and object detection symbols 4. No rear camera or radio information display on P17 Info Display Module 5. Possible delayed rear vision displayed on Info Display Module 6. No start up animation on the P17 Info Display Module. |
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