Grand Cherokee 4WD V8-4.7L (2003)
Seat Heater Sensor: Description and Operation
The heated seat temperature sensor is a Negative Temperature Coefficient (NTC) thermistor. One temperature sensor is used for each seat. This
temperature sensor is located in the seat cushion heating element on all models.
The heated seat temperature sensor cannot be repaired or adjusted and must be replaced if defective. The heated seat cushion element must be replaced if
the temperature sensor is defective. Refer to the procedure in this section.