Scania EMS DTC 5839 NOx sensor T131 upstream of the SCR catalytic converter

EMS Engine Management System · Scania · 3 variants

Code 5839 (decimal). Some diagnostic tools show it in hexadecimal as 16CF.

In short

The NOx sensor downstream of the particulate filter, T131, indicates a fixed value, even though the engine speed and load vary.

Variant 1: T131, NOx sensor downstream of the particulate filter, fixed value

Applies to: EMS10

What does Scania EMS fault code 5839 mean?

What causes Scania DTC 5839?

How to fix Scania EMS fault code 5839?

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Variant 2

Applies to: EMS S8

Variant 3

Applies to: EMS S8 (S8PDE)

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

Code 5839 in other Scania systems

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