B1977 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1977 – Passengers Front Seat Up Switch Circuit Short To Battery

 

B1977 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1977 Possible Causes

 

Faulty Passengers Front Seat Up Switch,Passengers Front Seat Up Switch harness is open or shorted,Passengers Front Seat Up Switch circuit poor electrical connection

 

B1977 Description

 

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