Scania MBS DTC 522 #Not implemented. Electrical error on CAN bus 2

MBS MBS control unit · Scania

Code 522 (decimal). Some diagnostic tools show it in hexadecimal as 020A.

In short

The CAN-controller of CAN bus 2 has entered state bus-off, which indicates a communication error.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 522 mean?

What causes Scania DTC 522?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 522?

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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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