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*¹. Each Control Unit(Module) consists of Low and High Line.
*¹ CAN (Controller Area Network) : CAN is serial bus communication type which links not only communication system but also control units each other.
This code is outputted when SJB can't receive data from SMK by CAN Line for 10 sec.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Checking receiving status of CAN message from SJB | 1. Check SJB installation 2. Check fuses related to BCM(IPM) 3. Check open in CAN high /Low of BCM(IPM) 4. Check open in CAN high/low in SMK |
Enable Conditions |
•
SMK IGN ON or Engine ON | |
Threshold value |
•
No CAN signal from SJB for 10 seconds | |
Diagnostic Time |
•
Right after DTC detected |
