Scania EMS DTC 4144 SCR - Main unit

EMS Engine Management System · Scania · 3 variants

Code 4144 (decimal). Some diagnostic tools show it in hexadecimal as 1030.

In short

The measured concentration of the reductant is too low.

Variant 1: Reductant quality too low

Applies to: EMS10

What does Scania EMS fault code 4144 mean?

What causes Scania DTC 4144?

How to fix Scania EMS fault code 4144?

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Variant 2

Applies to: EMS S6

Variant 3: SCR main unit

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 4144 in other Scania systems

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