Scania MBS DTC 627 DCU control unit rear, fault in CAN communication

MBS MBS control unit · Scania

Code 627 (decimal). Some diagnostic tools show it in hexadecimal as 0273.

In short

CAN communication with the rear DCU control unit is cancelled or missing.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 627 mean?

CAN communication with the rear DCU control unit is cancelled or missing.

What causes Scania DTC 627?

- Blown control unit fuse. - Fault in control unit. - Fault in brown CAN bus. - The control unit is not connected to the brown CAN bus. - Fault in voltage supply to control unit.

How does the system react?

- A yellow warning indication is displayed. - Functions dependent on the rear DCU control unit may be limited.

What are the symptoms?

The driver cannot operate the rear door.

How to fix Scania MBS fault code 627?

  1. Check the control unit fuse.
  2. Check the CAN cable harness for the control unit.
  3. Check the harness-to-component connector and cable harness for the 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 627 in other Scania systems

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