Scania EMU DTC 12561 VCB Fan A 24 V supply voltage too high.

EMU EMU control unit · Scania

Code 12561 (decimal). Some diagnostic tools show it in hexadecimal as 003111.

In short

VCA voltage > 36 V at VCB fan A.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 12561 mean?

What causes Scania DTC 12561?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 12561?

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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.