Scania EMS DTC 4139 Control unit, incorrect configuration

EMS Engine Management System · Scania · 2 variants

Code 4139 (decimal). Some diagnostic tools show it in hexadecimal as 102B.

In short

The configuration differs between EMS control unit E44 and GSC control unit E131.

Variant 1

Applies to: EMS10

What does Scania EMS fault code 4139 mean?

What causes Scania DTC 4139?

How to fix Scania EMS fault code 4139?

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.

Variant 2

Applies to: EMS S8

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

Code 4139 in other Scania systems

Compare code 4139 in every system →