Scania EMU DTC 8466 Coolant pump M523, control signal: Short circuit to voltage supply.

EMU EMU control unit · Scania

Code 8466 (decimal). Some diagnostic tools show it in hexadecimal as 002112.

In short

The control unit indicates too high a voltage.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 8466 mean?

What causes Scania DTC 8466?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 8466?

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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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