Scania EMU DTC 4219 Heater H39, high voltage

EMU EMU control unit · Scania

Code 4219 (decimal). Some diagnostic tools show it in hexadecimal as 00107B.

In short

The heater is reporting a voltage over 821 V.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 4219 mean?

What causes Scania DTC 4219?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 4219?

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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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