Scania DCU DTC 800 Door control unit, output for voltage supply to connected components, short circuit

DCU DCU control unit · Scania

Code 800 (decimal). Some diagnostic tools show it in hexadecimal as 0320.

In short

- Maximum current level has been detected on the 24 V output of the reset valve (CN3-2).

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

What does Scania DCU fault code 800 mean?

What causes Scania DTC 800?

How does the system react?

What are the symptoms?

How to fix Scania DCU fault code 800?

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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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