Scania ESTA DTC 631 The vehicle runs in limp home mode.

ESTA ESTA control unit · Scania

Code 631 (decimal). Some diagnostic tools show it in hexadecimal as 0277.

In short

A fault has been detected in the tag axle steering system.

Applies to: ESTA1 (ESTA)

What does Scania ESTA fault code 631 mean?

What causes Scania DTC 631?

How to fix Scania ESTA fault code 631?

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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.

Code 631 in other Scania systems

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