Scania EMS DTC 4109 Incorrect CAN version

EMS Engine Management System · Scania

Code 4109 (decimal). Some diagnostic tools show it in hexadecimal as 100D.

In short

The engine control unit and the SCR control unit do not agree on which CAN version is being used.

Applies to: EMS S6

What does Scania EMS fault code 4109 mean?

What causes Scania DTC 4109?

How does the system react?

How to fix Scania EMS fault code 4109?

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This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 4109 in other Scania systems

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