B1546 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1546 – Seat Direction Switch Assembly Circuit Short To Ground

 

B1546 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1546 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)

 

B1546 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.