Scania MBS DTC 578 Furthest forward roof hatch control unit, fault in CAN communication

MBS MBS control unit · Scania

Code 578 (decimal). Some diagnostic tools show it in hexadecimal as 0242.

In short

There is no CAN communication with the roof hatch control unit at the front or it has been interrupted.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 578 mean?

There is no CAN communication with the roof hatch control unit at the front or it has been interrupted.

What causes Scania DTC 578?

- Fault in the roof hatch control unit. - Fault on grey CAN bus. - The roof hatch control unit is not connected to the grey CAN bus. - Fault in voltage supply.

How does the system react?

Functions that depend on information from the roof hatch control unit may have degraded.

What are the symptoms?

The driver cannot operate the roof hatch.

How to fix Scania MBS fault code 578?

Check fuse, connections, cable harness and voltage supply to the roof hatch control unit.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 578 in other Scania systems

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