Scania EMU DTC 4165 Refrigerant compressor E158, high temperature

EMU EMU control unit · Scania

Code 4165 (decimal). Some diagnostic tools show it in hexadecimal as 001045.

In short

The refrigerant compressor reports too high a temperature.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 4165 mean?

What causes Scania DTC 4165?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 4165?

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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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