Scania DDU DTC 4223 Connection for sound, short circuit to voltage supply

DDU DDU control unit · Scania

Code 4223 (decimal). Some diagnostic tools show it in hexadecimal as 00107F.

In short

Short-circuit to voltage supply has been detected in the connection for sound.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4223 mean?

What causes Scania DTC 4223?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 4223?

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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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