Scania MGU DTC 256 Internal software fault

MGU MGU control unit · Scania

Code 256 (decimal). Some diagnostic tools show it in hexadecimal as 0100.

In short

The MGU control unit has detected an internal software fault.

Applies to: MGU2MGU2 (MGU2X)MGU2 (MGUC2)MGU2 (MGUC2X)

What does Scania MGU fault code 256 mean?

What causes Scania DTC 256?

How does the system react?

What are the symptoms?

How to fix Scania MGU 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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