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 |
|---|---|---|---|---|
| CTSY Fuse B+ | 1 | 1 | - | - |
| LT Stop TRN Fuse B+ | 1 | 1 | - | - |
| RT Stop TRN Fuse B+ | 1 | 1 | - | - |
| Hazard Switch Signal | 2 | 2 | 2 | - |
| Turn Signal Switch Signal - Left | 3 | 3 | 3 | - |
| Turn Signal Switch Signal - Right | 3 | 3 | 3 | - |
| Turn Signal Lamp Control - LF | 1 | 1 | 1 | - |
| Turn Lamp Control - LR | 1 | 1 | 1 | - |
| Turn Signal Lamp Control - RF | 1 | 1 | 1 | - |
| Turn Lamp Control - RR | 1 | 1 | 1 | - |
| Hazard Switch Ground | - | 2 | - | - |
| Lower Stop/Turn Lamp Ground - RR | - | 1 | - | - |
| Lower Stop/Turn Lamp Ground - LR | - | 1 | - | - |
| Park/Turn Signal Lamp - LF | - | 1 | - | - |
| Park/Turn Signal Lamp - RF | - | 1 | - | - |
| Repeater Lamp Ground - RF | - | 1 | - | - |
| Repeater Lamp Ground - LF | - | 1 | - | - |
| Turn Signal/Multifunction Switch Ground | - | 3 | - | - |
| Turn Signal Lamp - LF Ground | - | 1 | - | - |
| Turn Signal Lamp - RF Ground | - | 1 | - | - |
| Upper Stop/Turn Lamp Ground - LR | - | 1 | - | - |
| Upper Stop/Turn Lamp Ground - RR | - | 1 | - | - |
| 1. Turn Signal Lamps and/or Indicators Malfunction 2. Hazard Lamps Malfunction 3. Turn Signal Switch Malfunction |
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