Scania MBS DTC 657 Electrically powered wheelchair ramp control system (EWR)

MBS MBS control unit · Scania

Code 657 (decimal). Some diagnostic tools show it in hexadecimal as 0291.

In short

The electrically powered wheelchair ramp has detected an internal fault in the control unit.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 657 mean?

What causes Scania DTC 657?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 657?

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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 657 in other Scania systems

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