Lumbar Control Switch: Description

WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

The lumbar control switch is one of eight separate switches ganged together in driver seat switch assembly. The switch is located on the drivers front door trim panel (Fig 1 ). The driver seat switch assembly can provide up to six resistive multiplexed inputs into the driver door module. The inputs can include memory, heated seat, power seat, and foot pedal system requests. All inputs are hardwired resistive mux to the driver door module to decode axis direction or seat heat level. Refer to Driver Door or Memory Heated Seat Adjustable Pedal Modules in ELECTRONIC CONTROL MODULES for additional information.

Fig 1: Identifying Driver Seat Switch Assembly

Courtesy of DAIMLERCHRYSLER CORP.

The power lumbar switch cannot be adjusted or repaired and, if faulty or damaged, the complete driver seat switch assembly must be replaced.