Scania DDU DTC 4393 EOL Internal Mismatch

DDU DDU control unit · Scania

Code 4393 (decimal). Some diagnostic tools show it in hexadecimal as 001129.

In short

EOL parameters have lost internal sync within the DDU ECU

Applies to: DDU1 (DDU)

What does Scania DDU fault code 4393 mean?

What are the symptoms?

How to fix Scania DDU fault code 4393?

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included
Get Premium – 7,50 € / month I already have an account

Yearly plan: pay 10 months, get 12. Cancel at any time.

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

Code 4393 in other Scania systems