B1671 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1671 – Battery Module Voltage Out Of Range

 

B1671 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1671 Possible Causes

 

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

 

B1671 Description

 

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