B2337 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B2337 – Mirror Switch Assembly Circuit Open

 

B2337 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B2337 Possible Causes

 

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

 

B2337 Description

 

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