Scania MGU DTC 512 Internal software fault

MGU MGU control unit · Scania

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

In short

The MGU control unit has detected an internal software fault.

Applies to: MGU2MGU2 (MGU2X)MGU2 (MGUC2)MGU2 (MGUC2X)

What does Scania MGU fault code 512 mean?

The MGU control unit has detected an internal software fault.

What causes Scania DTC 512?

Internal fault.

How does the system react?

A yellow warning indication is displayed.

What are the symptoms?

The electric machine system MGS is inoperative.

How to fix Scania MGU fault code 512?

  1. Clear the fault code.
  2. Turn the starter key to the lock position and back to the drive position in order to restart the MGU control unit.
  3. Update to the latest software version.
  4. Renew the MGU control unit if the fault code recurs.

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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