Scania EMU DTC 104709 Coolant pump M86, blockage

EMU EMU control unit · Scania

Code 104709 (decimal). Some diagnostic tools show it in hexadecimal as 019905.

In short

The coolant pump feedback signal indicates 225 Hz, which means there is a blockage.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 104709 mean?

What causes Scania DTC 104709?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 104709?

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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.