Scania EMU DTC 4212 Refrigerant compressor E158, internal fault

EMU EMU control unit · Scania

Code 4212 (decimal). Some diagnostic tools show it in hexadecimal as 001074.

In short

One or more CAN messages are missing from control unit E159.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 4212 mean?

What causes Scania DTC 4212?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 4212?

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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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