Scania COO DTC 820 Switch module

COO Coordinator · Scania · 5 variants

Code 820 (decimal). Some diagnostic tools show it in hexadecimal as 0334.

In short

The control unit interprets that the switch module is misconfigured.

Variant 1

Applies to: COO10 (COO)

What does Scania COO fault code 820 mean?

What causes Scania DTC 820?

How does the system react?

What are the symptoms?

How to fix Scania COO fault code 820?

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Variant 2

Applies to: COO11 (COO)

Variant 3

Applies to: COO8 (COO)

Variant 4

Applies to: COO9 (COO)

Variant 5

Applies to: COO8

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

Code 820 in other Scania systems

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