B1520 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1520 – Hood Switch Circuit Open


B1520 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1520 Possible Causes


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


B1520 Description


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