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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 266 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> Front Heated Seat Malfunction (KA1 without W2E) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Cadillac ATS. 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 1 1 - -
B+ Terminal 7 X1 6 6 - -
Driver Heated Seat Back Temperature Sensor Signal 2 5 5 -
Driver Heated Seat Back Temperature Sensor Low Reference - 5 - -
Driver Heated Seat Element Voltage Control Terminal 6 X1 1 2 1 -
Driver Heated Seat Element Ground Control Terminal 4 X1 1 2 1 -
Driver Seat Back Heating Element Voltage Control 1 3 1 -
Driver Seat Back Heating Element Ground Control 1 3 1 -
Driver Heated Seat Cushion Temperature Sensor Signal 2 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 Seat Back Temperature Sensor Signal 6 9 9 -
Passenger Seat Back Temperature Sensor Low Reference - 9 - -
Passenger Heated Seat Element Voltage Control Terminal 2 X1 1 6 1 -
Passenger Heated Seat Element Ground Control Terminal 3 X1 1 6 1 -
Passenger Seat Back Heating Element Voltage Control 1 7 1 -
Passenger Seat Back Heating Element Ground Control 1 7 1 -
Passenger Heated Seat Cushion Temperature Sensor Signal 6 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 - 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