Scania EMU DTC 4235 Heater H40, internal fault

EMU EMU control unit · Scania

Code 4235 (decimal). Some diagnostic tools show it in hexadecimal as 00108B.

In short

The heater reports that a temperature-related fault has occurred.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 4235 mean?

What causes Scania DTC 4235?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 4235?

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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.