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 |
|---|---|---|---|---|
| Climate Control Seat Module B+ | 1 | 1 | - | - |
| Climate Control Seat Module Ignition Voltage | 1 | 1 | - | - |
| Climate Control Seat Module Ground | - | 1 | - | - |
| 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 Back Temperature Sensor Low Reference | - | 2 | - | - |
| Seat Back Blower Control | 2 | 2 | 3 | - |
| Seat Back Blower Speed Control | 2 | 2 | 3 | - |
| Seat Back Blower Low Reference | - | 2 | - | - |
| Seat Back Ventilation Heating and Cooling Module Cool Control | 2 | 2 | - | - |
| Seat Back Ventilation Heating and Cooling Module Heat Control | 2 | 2 | - | - |
| Seat Cushion Temperature Sensor Signal | 2 | 2 | 2 | - |
| Seat Cushion Temperature Sensor Low Reference | - | 2 | - | - |
| Seat Cushion Blower Control | 2 | 2, 4 | 3 | - |
| Seat Cushion Blower Speed Control | 2, 4 | 2, 4 | 3 | - |
| Seat Cushion Blower Low Reference | - | 2, 4 | - | - |
| Seat Cushion Ventilation Heating and Cooling Module Cool Control | 2 | 2, 4 | - | - |
| Seat Cushion Ventilation Heating and Cooling Module Heat Control | 2, 4 | 2, 4 | - | - |
| 1. Driver and passenger heated/cooled seats are inoperative 2. Seat back and cushion heat and cool modes are inoperative 3. The blower runs at high speed all the time and the seat temperature adjustment is inoperative 4. The seat back only heat mode operates OK |
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