Scania COO DTC 5 Communication with the tachograph

COO Coordinator · Scania

Code 5 (decimal). Some diagnostic tools show it in hexadecimal as 0005.

In short

The communication between the coordinator and the tachograph has been interrupted.

Applies to: COO6 (COO6C)

What does Scania COO fault code 5 mean?

The communication between the coordinator and the tachograph has been interrupted.

What causes Scania DTC 5?

The fault may be due to: - Open circuit in the yellow CAN bus - Short circuit or open circuit in the tachograph power supply - Internal fault in the tachograph

How to fix Scania COO fault code 5?

  1. Check the yellow CAN bus cabling and harness-to-harness connectors.
  2. Check the circuit for the tachograph power supply (30) and the circuit for the tachograph's activation signal (15).
  3. You can see whether the tachograph has generated any fault codes via the instrument cluster.

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

Code 5 in other Scania systems

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