B1543 – Seat Direction Switch Assembly Circuit Failure

B1543 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B1543 Possible Causes

Faulty Seat Direction Switch Assembly,Seat Direction Switch Assembly harness is open or shorted,Seat Direction Switch Assembly circuit poor electrical connection,Faulty Body Control Module (BCM)

B1543 Description

The Body Control Module (BCM) monitors the Seat Direction Switch Assembly. The BCM sets the OBDII code when the Seat Direction Switch Assembly is not to factory specifications.