Scania COO DTC 723 Particulate filter regeneration switch

COO Coordinator · Scania

Code 723 (decimal). Some diagnostic tools show it in hexadecimal as 02D3.

In short

The voltage in the particulate filter regeneration switch circuit has been above the permitted level.

Applies to: COO7

What does Scania COO fault code 723 mean?

What causes Scania DTC 723?

How does the system react?

How to fix Scania COO fault code 723?

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 723 in other Scania systems

Compare code 723 in every system →