Scania DCU DTC 779 Long activation of sensing strip, front or single door leaf, active

DCU DCU control unit · Scania

Code 779 (decimal). Some diagnostic tools show it in hexadecimal as 030B.

In short

The door control unit detects a permanent activation (CN3-11) of the sensing strip which lasts more than 20 seconds.

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

What does Scania DCU fault code 779 mean?

What causes Scania DTC 779?

How does the system react?

What are the symptoms?

How to fix Scania DCU fault code 779?

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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.

Code 779 in other Scania systems

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