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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 376 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> Vented Seat Malfunction >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Number Circuit Function Short to Ground Open/High Resistance Short to Voltage Signal Performance
539 B+ 1, 4 1, 2, 3, 4, 5, 6 - -
5906 Control 1 1, 2, 3 1 -
5908 Control 4 4, 5, 6 4 -
2150 Ground - 1, 2, 3 - -
2250 Ground - 4, 5, 6 - -
1. Driver Seat back and cushion ventilation functions are inoperative
2. Driver Seat back ventilation function is inoperative
3. Driver Seat cushion ventilation function is inoperative
4. Passenger Seat back and cushion ventilation functions are inoperative
5. Passenger Seat back ventilation function is inoperative
6. Passenger Seat cushion ventilation function is inoperative