Scania DDU DTC 4374 GMSL link in interactive driver display, short circuit in cable harness

DDU DDU control unit · Scania

Code 4374 (decimal). Some diagnostic tools show it in hexadecimal as 001116.

In short

The GMSL link indicates a fault causing a short circuit.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4374 mean?

What causes Scania DTC 4374?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 4374?

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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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