B2402 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B2402 – Audio CD/DJ Thermal Shutdown Fault


B2402 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B2402 Possible Causes


Faulty Audio Unit,Audio Unit harness is open or shorted,Audio Unit circuit poor electrical connection


B2402 Description


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