Scania DDU DTC 4164 Tweeter on left-hand A-pillar panel, short circuit to earth

DDU DDU control unit · Scania

Code 4164 (decimal). Some diagnostic tools show it in hexadecimal as 001044.

In short

The DDU control unit interprets a short circuit to earth in the tweeter on the left-hand A-pillar panel.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4164 mean?

What causes Scania DTC 4164?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 4164?

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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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