B1327 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B1327 – Device Power 1 Circuit Low
B1327 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B1327 Possible Causes
Low battery voltage,Faulty Body Control Module (BCM),Body Control Module (BCM) harness is open or shorted,Body Control Module (BCM) circuit poor electrical connection
The Body Control Module (BCM) has an internal voltage sensor with a dedicated circuit that checks the battery positive voltage and battery negative circuit voltage to determine if it is above 8.7 volts.