Diagnostic Fault Information
WARNING: This page is about a different car, the 2017 GMC Acadia. 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+ Terminal 10 X1 | U1524, 1 | U1524, 1 | - | - |
| B+ Terminal 7 X1 | 6 | 6 | - | - |
| Driver Heated Seat Switch LIN Serial Data | U1550, U1558 | U1550 | U1550, U1558 | - |
| Driver Heated Seat Back Temperature Sensor Signal | 3 | 5 | 5 | - |
| Driver Heated Seat Back Temperature Sensor Low Reference | - | 5 | - | - |
| Driver Heated Seat Element Ground Control Terminal 4 X1 | 1 | 2 | 1 | - |
| Driver Heated Seat Back Element Voltage Control | 1 | 3 | 1 | - |
| Driver Heated Seat Back Element Ground Control | 1 | 3 | 1 | - |
| Driver Heated Seat Cushion Temperature Sensor Signal | 4 | 5 | 5 | - |
| Driver Heated Seat Cushion Temperature Sensor Low Reference | - | 5 | - | - |
| Driver Heated Seat Cushion Element Voltage Control | 1 | 4 | 1 | - |
| Driver Heated Seat Cushion Element Ground Control | 1 | 4 | 1 | - |
| Passenger Heated Seat Switch LIN Serial Data | U1550, U1558 | U1558 | U1550, U1558 | - |
| Passenger Heated Seat Back Temperature Sensor Signal | 7 | 9 | 9 | - |
| Passenger Heated Seat Back Temperature Sensor Low Reference | - | 9 | - | - |
| Passenger Heated Seat Element Ground Control Terminal 3 X1 | 1 | 6 | 1 | - |
| Passenger Heated Seat Back Element Voltage Control | 1 | 7 | 1 | - |
| Passenger Heated Seat Back Element Ground Control | 1 | 7 | 1 | - |
| Passenger Heated Seat Cushion Temperature Sensor Signal | 8 | 9 | 9 | - |
| Passenger Heated Seat Cushion Temperature Sensor Low Reference | - | 9 | - | - |
| Passenger Heated Seat Cushion Element voltage Control | 1 | 8 | 1 | - |
| Passenger Heated Seat Cushion Element Ground Control | 1 | 8 | 1 | - |
| Front Seat Heating Control Module Ground | - | U1524, 1 | - | - |
| 1. Driver and passenger heated seats are inoperative. 2. Driver heated seat is inoperative 3. Driver seat back heat function is inoperative 4. Driver seat cushion heat function is inoperative 5. Degraded driver heated seat operation 6. Passenger heated seat is inoperative 7. Passenger seat back heat function is inoperative 8. Passenger seat cushion heat function is inoperative 9. Degraded passenger heated seat operation |
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