Scania MBS DTC 1057 LIN bus 1, electrical fault

MBS MBS control unit · Scania

Code 1057 (decimal). Some diagnostic tools show it in hexadecimal as 0421.

In short

- The MBS control unit detects short circuit to earth on LIN bus 1.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 1057 mean?

What causes Scania DTC 1057?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 1057?

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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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