Scania COO DTC 641 Vehicle speed signal

COO Coordinator · Scania · 5 variants

Code 641 (decimal). Some diagnostic tools show it in hexadecimal as 0281.

In short

There has been no vehicle speed signal from the tachograph.

Variant 1

Applies to: COO7COO8

What does Scania COO fault code 641 mean?

What causes Scania DTC 641?

How does the system react?

How to fix Scania COO fault code 641?

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Variant 2: Speed signal

Applies to: COO10 (COO)

Variant 3: Speed signal

Applies to: COO11 (COO)

Variant 4

Applies to: COO8 (COO)

Variant 5

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 641 in other Scania systems

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