CAN communication
â–¶ How to fix
Check the cable harness and connectors. Check tachograph connection C.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Fault in the CAN communication on the external CAN bus.
Possible cause
Open circuit in the cable harness for the external CAN bus. Fault in the tachograph.