Diagnostic Fault Information
WARNING: This page is about a different car, the 2017 GMC Acadia. 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 |
|---|---|---|---|---|
| F7DA (BCM 3) Fuse B+ | B2575 02 | 1 | - | - |
| F21DA (BCM 4) Fuse B+ | B2699 02 | 1 | - | - |
| Headlamp Low Beam Relay Control (with T4F) | 1 | 1 | B258A 01 | - |
| Headlamp High Beam Relay Control | 2 | 2 | B2580 01 | - |
| Low Beam Headlamp Control - Left (with T4A) | B2575 02 | 1 | 1 | - |
| Low Beam Headlamp Control - Right (with T4A) | B2699 02 | 1 | 1 | - |
| Low Beam Headlamp Control - Left (with T4F) | 1 | 1 | 1 | - |
| Low Beam Headlamp Control - Right (with T4F) | 1 | 1 | 1 | - |
| High Beam Headlamp Control - Left | 2 | 2 | 2 | - |
| High Beam Headlamp Control - Right | 2 | 2 | 2 | - |
| Turn Signal/Multifunction Switch Park Lamps ON Signal | 3 | B257A 00 | 3 | - |
| Turn Signal/Multifunction Switch Headlamps OFF Signal | B257A 00 | 3 | 3 | - |
| Turn Signal/Multifunction Switch Headlamps ON Signal | B257A 00 | 3 | 3 | - |
| Turn Signal/Multifunction Switch Flash To Pass Signal | B3806 00 | 3 | 3 | - |
| Turn Signal/Multifunction Switch High Beam Signal | B3650 08 | 3 | 3 | - |
| Turn Signal/Multifunction Switch Auto High Beam Select Signal (with TQ5) | 4 | 4 | 4 | - |
| Headlamp Assembly - Left Ground | - | 1 | - | - |
| Headlamp Assembly - Right Ground | - | 1 | - | - |
| Turn Signal/Multifunction Switch Ground | - | 3 | - | - |
| 1. Headlamps Malfunction - Low Beam 2. Headlamps Malfunction - High Beam 3. Turn Signal/Multifunction Switch Malfunction 4. Automatic High Beam Select Switch Malfunction |
||||