General Information

Smart Key Unit
B1604 CAN Timeout between SMK and (IPM or BCM) - General Information

Component Location





General Description

Each control module such as BCM(Body Control Module), Cluster(CLU:Cluster), SMK(Smartkey Module), SJB(Smart Junction Box), PSM(Power Seat Module) is connected each other with Body CAN*. Each Control Unit(Module) consists of Low and High Line.
* CAN (Controller Area Network) : CAN is serial bus communication type which links not only communication system but also control units each other.






DTC Description

This code is outputted when BCM can't receive data from SMK by CAN Line for 10 sec.

DTC Detecting Condition





Diagnostic Circuit Diagram










Signal Waveform & Data