Scania DDU DTC 777 CAN messages are missing from CAN bus 2

DDU DDU control unit · Scania

Code 777 (decimal). Some diagnostic tools show it in hexadecimal as 000309.

In short

The DDU control unit has not received any CAN messages.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 777 mean?

What causes Scania DTC 777?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 777?

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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.

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