Scania EMD DTC 4806 Exhaust gas aftertreatment

EMD EMD control unit · Scania

Code 4806 (decimal). Some diagnostic tools show it in hexadecimal as 12C6.

In short

Major functional fault in the SCR system.

Applies to: EMD0EMD1

What does Scania EMD fault code 4806 mean?

What causes Scania DTC 4806?

How does the system react?

What are the symptoms?

How to fix Scania EMD fault code 4806?

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 4806 in other Scania systems

Compare code 4806 in every system →