Scania EMS DTC 9251 Particulate filter

EMS Engine Management System · Scania · 3 variants

Code 9251 (decimal). Some diagnostic tools show it in hexadecimal as 2423.

In short

The temperature upstream from the particulate filter differs from the calculated value during regeneration.

Variant 1: Exhaust gas temperature, too low

Applies to: EMS10

What does Scania EMS fault code 9251 mean?

What causes Scania DTC 9251?

How to fix Scania EMS fault code 9251?

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

Yearly plan: pay 10 months, get 12. Cancel at any time.

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 9251 in other Scania systems

Compare code 9251 in every system →