Scania EMU DTC 12564 VCB voltage at VCB fan A too high warning

EMU EMU control unit · Scania

Code 12564 (decimal). Some diagnostic tools show it in hexadecimal as 003114.

In short

VCB voltage > 850 V at VCB fan A.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 12564 mean?

What causes Scania DTC 12564?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 12564?

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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.