Scania DDU DTC 4140 Left blind spot warning lamp L2, short circuit to voltage supply

DDU DDU control unit · Scania

Code 4140 (decimal). Some diagnostic tools show it in hexadecimal as 00102C.

In short

The DDU control unit has interpreted a short circuit to the voltage supply in the left blind spot warning lamp L2 .

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4140 mean?

What causes Scania DTC 4140?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 4140?

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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.

Code 4140 in other Scania systems