Scania BCI DTC 640 Engine status, CAN communication fault

BCI BCI control unit · Scania · 4 variants

Code 640 (decimal). Some diagnostic tools show it in hexadecimal as 0280.

In short

Faulty information regarding the engine status.

Variant 1

Applies to: BCI2 (BWE)

What does Scania BCI fault code 640 mean?

What causes Scania DTC 640?

How does the system react?

How to fix Scania BCI fault code 640?

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Variant 2

Applies to: BCI3 (BWE)

Variant 3: Information fault, engine status

Applies to: BCI1 (BWE)

Variant 4: Information fault, engine status

Applies to: BCI2 (BWE)

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

Code 640 in other Scania systems

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