Scania DDU DTC 4191 Switch module in the steering wheel for instrument cluster: Back button, no signal

DDU DDU control unit · Scania

Code 4191 (decimal). Some diagnostic tools show it in hexadecimal as 00105F.

In short

Information is missing, update is in progress.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4191 mean?

What causes Scania DTC 4191?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 4191?

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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 4191 in other Scania systems