Scania MBS DTC 656 Electrically powered wheelchair ramp, communication fault

MBS MBS control unit · Scania

Code 656 (decimal). Some diagnostic tools show it in hexadecimal as 0290.

In short

When the 15 voltage is activated, the signal from the electrically powered wheelchair ramp to the main body system is too low.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 656 mean?

What causes Scania DTC 656?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 656?

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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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