Scania EMU DTC 4229 Heater H40, communication error

EMU EMU control unit · Scania

Code 4229 (decimal). Some diagnostic tools show it in hexadecimal as 001085.

In short

CAN communication does not work.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 4229 mean?

What causes Scania DTC 4229?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 4229?

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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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