B19A4 LINCOLN – Driver Seat Back Blower Speed Short to Battery

B19A4 LINCOLN Possible Symptoms

Air Bag Warning Light ON

B19A4 LINCOLN Possible Causes

Faulty Backrest Blower Motor,Backrest Blower Motor harness is open or shorted,Backrest Blower Motor circuit poor electrical connection,Faulty Front Seat Climate Control Module (SCME)

B19A4 LINCOLN Description

The Front Seat Climate Control Module (SCME) supplies voltage and ground to the driver seat backrest blower motor. The Front Seat Climate Control Module (SCME) also sends a speed control voltage signal to the blower motor to control blower speed. If the driver seat backrest blower speed circuit is shorted to voltage, the Front Seat Climate Control Module (SCME) shuts down the driver seat system and sets this Diagnostic Trouble Code (DTC).