Scania DDU DTC 4224 Connection for audio, break in circuit

DDU DDU control unit · Scania

Code 4224 (decimal). Some diagnostic tools show it in hexadecimal as 001080.

In short

Interruptions in the voltage supply have been detected in the sound connection.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4224 mean?

What causes Scania DTC 4224?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 4224?

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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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