Scania COO DTC 6 Communication with the EBS control unit

COO Coordinator · Scania

Code 6 (decimal). Some diagnostic tools show it in hexadecimal as 0006.

In short

The communication between the coordinator and the EBS control unit has been interrupted.

Applies to: COO6 (COO6C)

What does Scania COO fault code 6 mean?

The communication between the coordinator and the EBS control unit has been interrupted.

What causes Scania DTC 6?

The fault may be due to: - Open circuit for the red CAN bus. - Short circuit or open circuit in the EBS control unit power supply - Internal fault in the EBS control unit

How does the system react?

When the fault is active, the brake light remains lit. It is also possible that activation of the exhaust brake may not work properly.

How to fix Scania COO fault code 6?

  1. Check the red CAN bus wiring and harness-to-harness connectors.
  2. Check the circuit for the EBS control unit power supply (30) and the circuit for the EBS control unit's activation signal (15).

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

Code 6 in other Scania systems

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