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. 2) Check if any device is connected to the FMS connector. Remove it and see if the DTC disapears.
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. * Device connected to FMS connector is acting faulty