Scania EMU DTC 23044 The chiller pump M38 does not receive the command message from the EVS

EMU EMU control unit · Scania

Code 23044 (decimal). Some diagnostic tools show it in hexadecimal as 005A04.

In short

Pump Internal: The command message to the pump is missing for more than 2 seconds

Applies to: EMU1 (ECS)

What does Scania EMU fault code 23044 mean?

What causes Scania DTC 23044?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 23044?

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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.