Scania EMU DTC 4205 Refrigerant compressor E158, internal fault

EMU EMU control unit · Scania

Code 4205 (decimal). Some diagnostic tools show it in hexadecimal as 00106D.

In short

The refrigeration compressor reports too high a temperature in the transistor (above 95°C for 5 seconds).

Applies to: EMU1 (ECS)

What does Scania EMU fault code 4205 mean?

What causes Scania DTC 4205?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 4205?

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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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