Scania DDU DTC 256 Supply voltage, too low

DDU DDU control unit · Scania

Code 256 (decimal). Some diagnostic tools show it in hexadecimal as 000100.

In short

The supply voltage to the DDU conrol unit has been too low.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 256 mean?

What causes Scania DTC 256?

How to fix Scania DDU fault code 256?

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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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