Scania EMU DTC 9045 Water valve V521, feedback signal, high currents

EMU EMU control unit · Scania

Code 9045 (decimal). Some diagnostic tools show it in hexadecimal as 002355.

In short

The water valve has reported that currents to the control unit are too high.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 9045 mean?

What causes Scania DTC 9045?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 9045?

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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.