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