Scania EMU DTC 8791 Water valve V241, feedback signal, sensor failure

EMU EMU control unit · Scania

Code 8791 (decimal). Some diagnostic tools show it in hexadecimal as 002257.

In short

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

Applies to: EMU1 (ECS)

What does Scania EMU fault code 8791 mean?

What causes Scania DTC 8791?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 8791?

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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.