Scania EMU DTC 4202 Refrigerant compressor E158, internal fault

EMU EMU control unit · Scania

Code 4202 (decimal). Some diagnostic tools show it in hexadecimal as 00106A.

In short

The refrigeration compressor is reporting too low a voltage (below 450 V in the VCB network).

Applies to: EMU1 (ECS)

What does Scania EMU fault code 4202 mean?

What causes Scania DTC 4202?

How does the system react?

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How to fix Scania EMU fault code 4202?

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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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