It is no possible to send messages on internal CAN bus
â–¶ How to fix
Check yellow CAN bus connection.
What you'll see
No driver-visible symptom recorded.
System reaction
C300 cant send CAN data on yellow CAN bus.
Diagnostic depth
Detection
If the buffer is full in C300 the fault code is set.
Possible cause
CAN bus is not correct connected or the CAN bus is over loaded so it is not possible to send any CAN messages.