Scania DDU DTC 798 EACS control unit, no CAN communication

DDU DDU control unit · Scania

Code 798 (decimal). Some diagnostic tools show it in hexadecimal as 00031E.

In short

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

Applies to: DDU1 (DDU)

What does Scania DDU fault code 798 mean?

What causes Scania DTC 798?

How does the system react?

How to fix Scania DDU fault code 798?

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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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