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 |
|---|---|---|---|---|
| Stop Lamp Relay Switch B+ | 1 | 1 | - | - |
| Stop Lamp Switch B+ Voltage Reference | B1395 03, B3600 03 | 1 | 1 | - |
| Stop Lamp Switch Signal | 1 | 1 | 1 | - |
| Stop Lamp Relay Control | B3445 00 | 1 | 1 | - |
| Tail/Stop Lamp Control - Left | 1 | 1 | 1 | - |
| Tail/Stop Lamp Control - Right | 1 | 1 | 1 | - |
| Center High Mounted Stop Lamp (CHMSL) Ground | - | 2 | - | - |
| Tail/Stop Lamp Ground - Left | - | 1 | - | - |
| Tail/Stop Lamp Ground - Right | - | 1 | - | - |
| Stop Lamp Relay Ground | - | 1 | - | - |
| 1. Stop Lamps Malfunction 2. Center High Mounted Stop Lamp (CHMSL) Malfunction |
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