Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 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 |
|---|---|---|---|---|
| B+ | 1 | 1 | - | - |
| Ignition Voltage | 1 | 1 | - | - |
| Driver/Passenger Seat Blower Supply Voltage | 2 | 2 | - | - |
| Left Heated/Cooled Seat Mode Signal | 2 | 2 | 2 | - |
| Right Heated/Cooled Seat Mode Signal | 2 | 2 | 2 | - |
| Seat Back Temperature Sensor Signal | 2 | 2 | 2 | - |
| Seat Cushion Temperature Sensor Signal | 2 | 2 | 2 | - |
| Seat Back Heated/Cool Ventilation Module Cool Control | 1 | 2 | - | - |
| Seat Back Heated/Cool Ventilation Module Heat Control | 1 | 2 | - | - |
| Seat Cushion Heated/Cool Ventilation Module Cool Control | 1 | 2 | - | - |
| Seat Cushion Heated/Cool Ventilation Module Heat Control | 1 | 2 | - | - |
| Seat Back Blower Speed Control | 2 | 2 | 3 | - |
| Seat Cushion Blower Speed Control | 2 | 2 | 3 | - |
| Heated Seat Switch Low Reference | - | 2 | - | - |
| Seat Blower Low Reference | - | 2 | - | - |
| Seat Back Temperature Sensor Low Reference | - | 2 | - | - |
| Seat Cushion Temperature Sensor Low Reference | - | 2 | - | - |
| Module Ground | - | 1 | - | - |
| 1. Driver and passenger heated/cooled seats are inoperative 2. Seat heat and cool modes are inoperative 3. Heated/cooled seats temperature adjustment is inoperative |
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