Scania COO DTC 20992 Communication with the engine control unit

COO Coordinator · Scania · 2 variants

Code 20992 (decimal). Some diagnostic tools show it in hexadecimal as 5200.

In short

Serious faults in the communication between the coordinator and the engine control unit.

Variant 1

Applies to: COO4 IM

What does Scania COO fault code 20992 mean?

What causes Scania DTC 20992?

How does the system react?

How to fix Scania COO fault code 20992?

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Variant 2

Applies to: COO4 IM (Slave)

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