Scania DCU DTC 781 Door control unit, high voltage

DCU DCU control unit · Scania

Code 781 (decimal). Some diagnostic tools show it in hexadecimal as 030D.

In short

The supply voltage is too high (above approx.

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

What does Scania DCU fault code 781 mean?

What causes Scania DTC 781?

What are the symptoms?

How to fix Scania DCU fault code 781?

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

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