Scania EST DTC 640 Hydraulic system

EST EST control unit · Scania

Code 640 (decimal). Some diagnostic tools show it in hexadecimal as 0280.

In short

The wheels on the controlled tag axle are not tracking properly.

Applies to: EST1 (EST)

What does Scania EST fault code 640 mean?

What causes Scania DTC 640?

How to fix Scania EST fault code 640?

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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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