Scania EMU DTC 23043 The Chiller Pump M38 status message has CAN timeout

EMU EMU control unit · Scania

Code 23043 (decimal). Some diagnostic tools show it in hexadecimal as 005A03.

In short

The EMU expects to receive a CAN message from the pump every 250ms.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 23043 mean?

What causes Scania DTC 23043?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 23043?

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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.