CAN communication from tachograph
â–¶ How to fix
Check CAN connections, connectors and wiring. Also check the tachograph.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
One of the CAN messages expected from the tachograph disappears or is missing.
Possible cause
Open circuit on CAN connection to AWD or tachograph.