CAN Bus off, FMS/C-CAN
â–¶ How to fix
1) Check the cable harness, especially the wiring connected to the C connector at the back of the tachograph.
What you'll see
tbd
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
CAN, bus off, C connector, also named FMS-CAN.
Possible cause
* Fault in cable harness. * Faulty CAN bus medium. * Fault in physical layer.