Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 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 |
|---|---|---|---|---|
| Horn Relay Control | 1 | 1 | B2750 00 | - |
| Horn PCB Relay Control | 2 | 2 | B2750 00 | - |
| Left Horn Control | 1 | 1 | 1 | - |
| Right Horn Control | 2 | 2 | 2 | - |
| Horn Switch Ground | - | 1, 2 | - | - |
| Left Horn Ground | - | 2 | - | - |
| Right Horn Ground | - | 1 | - | - |
| 1. Left Horn Malfunction 2. Right Horn Malfunction |
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