B2347 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B2347 – Mirror Switch Reference Voltage Positive Common Supply Low Voltage

 

B2347 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B2347 Possible Causes

 

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

 

B2347 Description

 

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