Scania EMU DTC 104714 Coolant pump M86, PWM control signal, invalid value

EMU EMU control unit · Scania

Code 104714 (decimal). Some diagnostic tools show it in hexadecimal as 01990A.

In short

The coolant pump reports a PWM control signal error (the pump responds with 120 Hz).

Applies to: EMU1 (ECS)

What does Scania EMU fault code 104714 mean?

What causes Scania DTC 104714?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 104714?

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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.