Scania EEC DTC 8426 EEC, Control unit for exhaust gas aftertreatment

EEC Exhaust Emission Control · Scania

Code 8426 (decimal). Some diagnostic tools show it in hexadecimal as 20EA.

In short

The EEC control unit has been shut down incorrectly.

Applies to: EEC3

What does Scania EEC fault code 8426 mean?

What causes Scania DTC 8426?

What are the symptoms?

How to fix Scania EEC fault code 8426?

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.

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

Code 8426 in other Scania systems

Compare code 8426 in every system →