Diagnostic Aids
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
- A short to ground on either the seat cushion or seat back temperature sensor signal circuit will cause the heated seat function to be inoperative for that seat.
- The following faults will cause a degraded heated seat operation for both the seat back and seat cushion.
- An open or a short to voltage on either the seat cushion or seat back temperature sensor signal circuit.
- An open in either the seat cushion or seat back temperature sensor low reference circuit.
- A fault in either the seat cushion or seat back temperature sensor.