Scania EMS DTC 8859 NOx sensor T115, electric power consumption too low

EMS Engine Management System · Scania

Code 8859 (decimal). Some diagnostic tools show it in hexadecimal as 00229B.

In short

Electric power consumption measured in NOx sensor T115 is too low.

Applies to: EMS10

What does Scania EMS fault code 8859 mean?

What causes Scania DTC 8859?

How to fix Scania EMS fault code 8859?

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.

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