Scania EMU DTC 23047 The chiller pump M38 has detected an over voltage error

EMU EMU control unit · Scania

Code 23047 (decimal). Some diagnostic tools show it in hexadecimal as 005A07.

In short

Pump internal: Input voltage > 38V, can heal if Input voltage goes below 38V

Applies to: EMU1 (ECS)

What does Scania EMU fault code 23047 mean?

What causes Scania DTC 23047?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 23047?

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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.