B1973 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1973 – Passenger Rear Seat Down Switch Circuit Short To Battery

 

B1973 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1973 Possible Causes

 

Faulty Passenger Rear Seat Down Switch,Passenger Rear Seat Down Switch harness is open or shorted,Passenger Rear Seat Down Switch circuit poor electrical connection

 

B1973 Description

 

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