EMU 8787 Scania Water valve V241, feedback signal, signal fault

EMU EMU control unit · Scania

Code 8787 (decimal). Some diagnostic tools show it in hexadecimal as 002253.

In short

The water valve has reported PWM signals outside the approved range to the control unit.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 8787 mean?

What causes Scania DTC 8787?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 8787?

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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.