Scania EMU DTC 39173 Coolant pump M76, flag

EMU EMU control unit · Scania

Code 39173 (decimal). Some diagnostic tools show it in hexadecimal as 009905.

In short

The coolant pump feedback signal indicates 225 Hz, which means there is a blockage.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 39173 mean?

What causes Scania DTC 39173?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 39173?

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.