Scania EMD DTC 4590 Fan drive control system, low voltage

EMD EMD control unit · Scania

Code 4590 (decimal). Some diagnostic tools show it in hexadecimal as 11EE.

In short

The fan drive control system (FDC) indicates that the voltage supply is too low.

Applies to: EMD1

What does Scania EMD fault code 4590 mean?

What causes Scania DTC 4590?

How does the system react?

What are the symptoms?

How to fix Scania EMD fault code 4590?

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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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