Scania DCU DTC 512 Door control unit, internal fault

DCU DCU control unit · Scania

Code 512 (decimal). Some diagnostic tools show it in hexadecimal as 0200.

In short

The door control unit indicates an internal memory fault.

Applies to: DCU3 (DCUA)DCU3 (DCUF)DCU3 (DCUM)DCU3 (DCUR)

What does Scania DCU fault code 512 mean?

The door control unit indicates an internal memory fault.

What causes Scania DTC 512?

Check the power supply to the roof hatch.

How does the system react?

The door control unit cannot communicate with the CAN network. Local functions can work.

What are the symptoms?

The door control unit is not working correctly. It may be possible to open and close the doors using the workshop buttons.

How to fix Scania DCU fault code 512?

Renew the door 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 512 in other Scania systems

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