DTC B1602-00: CAN Error: General Description
WARNING: This page is about a different car, the 2018 Hyundai Accent. However, it is still accessible from the selected car via links, so may be relevant.
BCM* is responsible for monitoring and controlling body electrical systems. It controls output of time or alarm related function with switch signals from switch and switch signals from SJB* via B-CAN communication.
BCM* uses B-CAN(Body CAN) for optimizing wires and communicates with other units to receive required data and transmit data to other units.
NOTE:
BCM* (Body Control Module): "BCM"
SJB* (Smart Junction Block): "I/P JUNCTION BLOCK"
SJB* (Smart Junction Block): "I/P JUNCTION BLOCK"