Scania DDU DTC 781 AWD control unit, no CAN communication

DDU DDU control unit · Scania

Code 781 (decimal). Some diagnostic tools show it in hexadecimal as 00030D.

In short

The DDU control unit is not receiving CAN messages from the AWD control unit.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 781 mean?

What causes Scania DTC 781?

How does the system react?

How to fix Scania DDU fault code 781?

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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 781 in other Scania systems

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