Scania EQU DTC 259 Supply voltage 24 V

EQU EQU control unit · Scania

Code 259 (decimal). Some diagnostic tools show it in hexadecimal as 0103.

In short

The 24 V supply voltage is missing.

Applies to: EQU2 (EQU)

What does Scania EQU fault code 259 mean?

The 24 V supply voltage is missing.

What causes Scania DTC 259?

- Fault in connectors for 24 V supply voltage. - Fault on fuse 319 in central electric unit P8.

How does the system react?

A yellow warning indication is displayed.

How to fix Scania EQU fault code 259?

  1. Check connectors for supply voltage of 24 V (E129C).
  2. Check fuse 319 in central electric unit P8.

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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