Scania ACS DTC 578 ACS control unit, misidentification

ACS Articulation Control System · Scania

Code 578 (decimal). Some diagnostic tools show it in hexadecimal as 0242.

In short

The connection to the ID pins is faulty.

Applies to: ACS6 (ACS)

What does Scania ACS fault code 578 mean?

What causes Scania DTC 578?

What are the symptoms?

How to fix Scania ACS fault code 578?

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 578 in other Scania systems

Compare code 578 in every system →