Scania EMU DTC 8454 Coolant pump M524, feedback signal: Short circuit to voltage supply or open circuit.

EMU EMU control unit · Scania

Code 8454 (decimal). Some diagnostic tools show it in hexadecimal as 002106.

In short

The control unit indicates too high a voltage.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 8454 mean?

What causes Scania DTC 8454?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 8454?

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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.

Code 8454 in other Scania systems