Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. 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 |
|---|---|---|---|---|
| Rear Fog Lamp Relay Control | B2540 02 | B2540 05 | B2540 05 | - |
| Rear Fog Lamp Switch Signal | B3588 02 | - | - | - |
| Rear Fog Lamp Control | 1 | 1 | - | - |
| Headlamp Switch Ground | - | 1 | - | - |
| Rear Fog Lamp Ground | - | 1 | - | - |
| 1. Rear Fog Lamps Malfunction | ||||