CAN-timeout on message Engine Info Proprietary 3.
â–¶ How to fix
Check the wiring and connectors on TMS (E5) and EMS (E44). Check if EMS (E44) has any DTCs and troubleshoot those. If any software upgrade is available for the EMS (E44) or the TMS (E5), proceed with the upgrade. If none of the above helps replace EMS (E44) and ultimately replace TMS (E5).
What you'll see
Exhaust brake vill not be available. Reduced gear shifting performance.
System reaction
Yellow warning lamp
Diagnostic depth
Detection
ECU indicating timeout on message Engine Info Proprietary 3.
Possible cause
The harness or connectors has open circuit or the message has not been transmitted by engine.