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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 336 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> Rear Heated Seat Malfunction >> Diagnostic Fault Information

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 U1526, 1 U1526, 1 - -
B+ Terminal 7 X1 4 4 - -
Left Rear Heated Seat Cushion Temperature Sensor Signal 2 3 3 -
Left Rear Heated Seat Cushion Temperature Sensor Low Reference - 3 - -
Left Rear Heated Seat Cushion Element Voltage Control 1 2 1 -
Left Rear Heated Seat Cushion Element Ground Control 1 2 1 -
Right Rear Heated Seat Cushion Temperature Sensor Signal 4 5 5 -
Right Rear Heated Seat Cushion Temperature Sensor Low Reference - 5 - -
Right Rear Heated Seat Cushion Element Voltage Control 1 4 1 -
Right Rear Heated Seat Cushion Element Ground Control 1 4 1 -
Rear Seat Heating Control Module Ground - U1526, 1 - -
1. Left and right rear heated seats are inoperative.
2. Left rear heated seat is inoperative
3. Degraded left rear heated seat operation
4. Right rear heated seat is inoperative
5. Degraded right rear heated seat operation