DTC B1603: CAN Communication Bus Off: General Description
This is DTC which is related with communication error between SJB and other units.
* Body CAN communication Control Units: BCM(Body Control Module), PSM(Power Seat Module), SMK(Smart Key), SJB(Smart Junction Box).
*1 CAN (Controller Area Network): CAN is serial bus communication type which links not only communication system but also control units each other.
*2 LIN (Local Interconnect Network): LIN is serial communication type which is used in electrical control system. (This is less expensive.)