Scania DDU DTC 2333 Hazard warning signal switch module, break in circuit or short circuit to voltage supply

DDU DDU control unit · Scania

Code 2333 (decimal). Some diagnostic tools show it in hexadecimal as 00091D.

In short

The DDU control unit has interpreted that the switches for night lighting, trip meter reset and the dimming of the instrument panel lighting have a short circuit to voltage supply or break in the circuit.

Applies to: DDU1 (DDU)

What does Scania DDU fault code 2333 mean?

What causes Scania DTC 2333?

How does the system react?

What are the symptoms?

How to fix Scania DDU fault code 2333?

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

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 2333 in other Scania systems

Compare code 2333 in every system →