CAN-timeout on message DLN9
â–¶ How to fix
Check the wiring and connectors on TMS (E5) and the Coordinator ECU. Check if the Coordinator ECU has any DTCs and troubleshoot those. If none of the above helps replace Coordinator and then replace TMS (E5).
What you'll see
No driver-visible symptom recorded.
System reaction
No auxiliary brake available.
Diagnostic depth
Detection
The CAN-message has not been received for a specified amount of time.
Possible cause
The harness or connectors have an open circuit or the message has not been transmitted by the coordinator.