Scania COO DTC 4354 Engine regulator setting

COO Coordinator · Scania · 2 variants

Code 4354 (decimal). Some diagnostic tools show it in hexadecimal as 1102.

In short

The voltage in the regulator setting switch module circuit has been either higher or lower than permitted.

Variant 1

Applies to: COO4 IM

What does Scania COO fault code 4354 mean?

What causes Scania DTC 4354?

How does the system react?

How to fix Scania COO fault code 4354?

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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.

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