Scania EMU DTC 8277 Coolant fan M39, feedback signal, short circuit to earth

EMU EMU control unit · Scania

Code 8277 (decimal). Some diagnostic tools show it in hexadecimal as 002055.

In short

The control unit reports that the control signal has too low a voltage or a short circuit.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 8277 mean?

What causes Scania DTC 8277?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 8277?

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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.

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