Scania BCI DTC 649 Low flow, steered tag axle

BCI BCI control unit · Scania

Code 649 (decimal). Some diagnostic tools show it in hexadecimal as 0289.

In short

Incorrect signal from the T589 flow sensor in the power steering circuit.

Applies to: BCI1 (BWE)

What does Scania BCI fault code 649 mean?

What causes Scania DTC 649?

How does the system react?

How to fix Scania BCI fault code 649?

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

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