Scania COO DTC 539 Cruise control

COO Coordinator · Scania · 2 variants

Code 539 (decimal). Some diagnostic tools show it in hexadecimal as 021B.

In short

The supply voltage is below the threshold value.

Variant 1: Ambient temperature sensor, passenger side

Applies to: COO11 (COO)

What does Scania COO fault code 539 mean?

What causes Scania DTC 539?

What are the symptoms?

How to fix Scania COO fault code 539?

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Variant 2

Applies to: COO7

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

Code 539 in other Scania systems

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