Scania EMS DTC 1251 Oil mist separator output signal, short circuit to voltage supply

EMS Engine Management System · Scania

Code 1251 (decimal). Some diagnostic tools show it in hexadecimal as 0004E3.

In short

The control unit indicates that the output signal from the oil mist separator is short-circuited to voltage supply.

Applies to: EMS10

What does Scania EMS fault code 1251 mean?

What causes Scania DTC 1251?

How to fix Scania EMS fault code 1251?

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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.