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 Switch Signal Circuit | B3891 02 | B3891 05 | B3891 05 | - |
| Rear Fog Lamp Ground Circuit | - | B3891 05 | - | - |
| Rear Fog Lamp Switch Signal Circuit | 1 | 2 | - | - |
| Rear Fog Lamp Switch Ground Circuit | - | 2 | - | - |
| 1. Fog Lamp Always On - Rear 2. Fog Lamp Inoperative - Rear |
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