Scania EMS DTC 1256 Oil mist separator control signal, short circuit to earth

EMS Engine Management System · Scania

Code 1256 (decimal). Some diagnostic tools show it in hexadecimal as 0004E8.

In short

The control unit indicates that the control signal for the oil mist separator is short-circuited to earth.

Applies to: EMS10

What does Scania EMS fault code 1256 mean?

What causes Scania DTC 1256?

How to fix Scania EMS fault code 1256?

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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.