Scania EMU DTC 8743 Water valve V194, feedback signal, sensor failure

EMU EMU control unit · Scania

Code 8743 (decimal). Some diagnostic tools show it in hexadecimal as 002227.

In short

The water valve has reported a sensor fault to the control unit.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 8743 mean?

What causes Scania DTC 8743?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 8743?

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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.