Scania DCU DTC 771 Door motor brake front door leadf, open circuit output

DCU DCU control unit · Scania

Code 771 (decimal). Some diagnostic tools show it in hexadecimal as 0303.

In short

A current below the normal operating level has been detected in the door motor brake’s 24 V output (CN6-16).

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

What does Scania DCU fault code 771 mean?

What causes Scania DTC 771?

How does the system react?

What are the symptoms?

How to fix Scania DCU fault code 771?

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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 771 in other Scania systems

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