Scania COO DTC 904 Communication with the EPB control unit

COO Coordinator · Scania · 4 variants

Code 904 (decimal). Some diagnostic tools show it in hexadecimal as 0388.

In short

CAN communication with the electropneumatic parking brake system (EPB) has been interrupted.

Variant 1

Applies to: COO10 (COO)COO11 (COO)

What does Scania COO fault code 904 mean?

What causes Scania DTC 904?

What are the symptoms?

How to fix Scania COO fault code 904?

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: COO8 (COO)

Variant 3: Communication with electropneumatic parking brake system

Applies to: COO9 (COO)

Variant 4: Communication with electropneumatic parking brake system

Applies to: COO8

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

Code 904 in other Scania systems

Compare code 904 in every system →