Scania DCU DTC 778 Long activation of sensing strip, rear door leaf, active

DCU DCU control unit · Scania

Code 778 (decimal). Some diagnostic tools show it in hexadecimal as 030A.

In short

The door control unit detects a permanent activation (CN3-9) 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 778 mean?

What causes Scania DTC 778?

How does the system react?

What are the symptoms?

How to fix Scania DCU fault code 778?

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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 778 in other Scania systems

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