Scania EMU DTC 4131 Refrigerant compressor E158, supply voltage, short circuit to earth

EMU EMU control unit · Scania

Code 4131 (decimal). Some diagnostic tools show it in hexadecimal as 001023.

In short

The control unit indicates too low a voltage.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 4131 mean?

What causes Scania DTC 4131?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 4131?

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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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