General Information

B1602 CAN Error

General Information

Component Location





General Description

This DTC sets when a communication error between SJB and other control units occur.
** Body CAN communication Control Units : BCM (Body Control Module), CLU (Cluster), SMK (Smart Key), SJB (Smart Junction Box), PSM (Power Seat Module).
CAN (Controller Area Network) : CAN is a serial bus type communication which links control units.
LIN (Local Interconnect Network) : LIN is serial communication type which is used in electrical control system. (This is less expensive)






DTC Description





DTC Detecting Condition






Diagnostic Circuit Diagram










Signal Waveform & Data








Fig.1) CAN Low/ High Signal Waveform
Fig.2) CAN BUS Voltage Level (Low Speed CAN)