Scania EMS DTC 4163 SCR - Temperature of reductant

EMS Engine Management System · Scania

Code 4163 (decimal). Some diagnostic tools show it in hexadecimal as 1043.

In short

The temperature sensor in the main unit shows that the temperature of the reductant is lower than is reasonable.

Applies to: EMS S6

What does Scania EMS fault code 4163 mean?

What causes Scania DTC 4163?

How does the system react?

How to fix Scania EMS fault code 4163?

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.

Code 4163 in other Scania systems

Compare code 4163 in every system →