Scania EMD DTC 4609 Engine speed, engine overspeed protection

EMD EMD control unit · Scania

Code 4609 (decimal). Some diagnostic tools show it in hexadecimal as 1201.

In short

Engine speed has been above 2,900 rpm.

Applies to: EMD0EMD1

What does Scania EMD fault code 4609 mean?

What causes Scania DTC 4609?

How does the system react?

How to fix Scania EMD fault code 4609?

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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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