Missing CAN-messages from TCO-system
â–¶ How to fix
1. Check the connector to the TCO-system 2. Check the CAN-wires 3. Check parameter setting in COO if vehicle is not equipped with TCO.
What you'll see
No driver-visible symptom recorded.
System reaction
Yellow tachograph noticeis activated
Diagnostic depth
Detection
No CAN120_MSG_TCO_TACHOGRAPH received. 2 second startup grace period. Only stored when ignition is ON.
Possible cause
The TCO-system is not connected to the CANbus