Scania EMS DTC 4873 Rotational speed signals, rotational speed sensor T74

EMS Engine Management System · Scania · 2 variants

Code 4873 (decimal). Some diagnostic tools show it in hexadecimal as 1309.

In short

Fault in rotational speed sensor T74.

Variant 1

Applies to: EMS S7EMS S8 (S8PDE)

What does Scania EMS fault code 4873 mean?

What causes Scania DTC 4873?

How does the system react?

How to fix Scania EMS fault code 4873?

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

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

Code 4873 in other Scania systems

Compare code 4873 in every system →