Scania MBS DTC 579 Control unit roof hatch in the middle, fault in CAN communication

MBS MBS control unit · Scania

Code 579 (decimal). Some diagnostic tools show it in hexadecimal as 0243.

In short

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

Applies to: MBS3 (MBS)

What does Scania MBS fault code 579 mean?

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

What causes Scania DTC 579?

- 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 579?

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 579 in other Scania systems

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