Scania COO DTC 859 Drive mode selector

COO Coordinator · Scania · 2 variants

Code 859 (decimal). Some diagnostic tools show it in hexadecimal as 035B.

In short

The control unit interprets signals from the drive mode selector as implausible.

Variant 1

Applies to: COO8 (COO)

What does Scania COO fault code 859 mean?

What causes Scania DTC 859?

What are the symptoms?

How to fix Scania COO fault code 859?

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Variant 2

Applies to: COO9 (COO)

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

Code 859 in other Scania systems