Scania COO DTC 923 Short-range radar CAN bus, no communication

COO Coordinator · Scania · 2 variants

Code 923 (decimal). Some diagnostic tools show it in hexadecimal as 00039B.

In short

The coordinator does not receive confirmation of CAN messages sent via the CAN bus for the left-hand short-range radar.

Variant 1

Applies to: COO10 (COO)

What does Scania COO fault code 923 mean?

What causes Scania DTC 923?

How does the system react?

What are the symptoms?

How to fix Scania COO fault code 923?

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Variant 2

Applies to: COO11 (COO)

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