B164B Code: Meaning, Causes, and Symptoms | OBD2 Codes

B164B – Driver Mirror Signal Lamp Control Circuit Low

 

B164B Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B164B Possible Causes

 

Faulty Drivers Power Mirror Assembly,Drivers Power Mirror Assembly harness is open or shorted,Drivers Power Mirror Assembly circuit poor electrical connection,Faulty Drivers Door Module (DDM)

 

B164B Description

 

The Drivers Door Module (DDM) monitors the Driver Mirror Signal Lamp. The Drivers Door Module sets the OBDII code when the Driver Mirror Signal Lamp is not to factory specifications.