Scania EMS DTC 8466 Throttle, stuck in closed position

EMS Engine Management System · Scania · 2 variants

Code 8466 (decimal). Some diagnostic tools show it in hexadecimal as 2112.

In short

For vehicles with a gas engine: The throttle remains closed despite a request to open.

Variant 1

Applies to: EMS S8

What does Scania EMS fault code 8466 mean?

What causes Scania DTC 8466?

How does the system react?

How to fix Scania EMS fault code 8466?

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.

Variant 2

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 8466 in other Scania systems

Compare code 8466 in every system →