Heated Seat Sensor
WARNING: This page is about a different car, the 2000 Chrysler LHS and 2000 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
Unplug suspect heated seat cushion 4-pin connector located under seat near rear edge of seat cushion frame. Using DVOM, measure resistance between heated seat cushion terminals "C" and "D". See Figure . If resistance is 2-200 k/ohms, test Memory Heated Seat and Mirror Module (MHSMM). See MEMORY HEATED SEAT & MIRROR MODULE . If resistance is not between 2-200 k/ohms, replace heated seat cushion element.