Scania DDU DTC 4159 Loudspeaker in left-hand door, break in circuit

DDU DDU control unit · Scania

Code 4159 (decimal). Some diagnostic tools show it in hexadecimal as 00103F.

In short

The DDU control unit interprets a break in the circuit for the loudspeaker in the left-hand door.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4159 mean?

What causes Scania DTC 4159?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 4159?

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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.