Scania EST DTC 599 Motor pump unit

EST EST control unit · Scania

Code 599 (decimal). Some diagnostic tools show it in hexadecimal as 0257.

In short

The motor pump is not regulating according to the request from the control unit.

Applies to: EST1 (EST)

What does Scania EST fault code 599 mean?

What causes Scania DTC 599?

How to fix Scania EST fault code 599?

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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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