Scania DDU DTC 4620 GPIO - open circuit

DDU DDU control unit · Scania

Code 4620 (decimal). Some diagnostic tools show it in hexadecimal as 00120C.

In short

“opencircuit” read by GPIO pin status

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4620 mean?

What causes Scania DTC 4620?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 4620?

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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 4620 in other Scania systems