Scania EMU DTC 3163 Contactor unit R126, negative contactor, contactor fixed in open position

EMU EMU control unit · Scania

Code 3163 (decimal). Some diagnostic tools show it in hexadecimal as 000C5B.

In short

The control unit indicates that the negative contactor is stuck in the open position.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 3163 mean?

What causes Scania DTC 3163?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 3163?

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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 3163 in other Scania systems