Scania DDU DTC 4253 Control unit, internal fault in the Wi-Fi module

DDU DDU control unit · Scania

Code 4253 (decimal). Some diagnostic tools show it in hexadecimal as 00109D.

In short

Internal fault in the Wi-Fi module detected.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4253 mean?

What causes Scania DTC 4253?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 4253?

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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.