Scania BCI DTC 622 Automatic fire alarm, engine compartment

BCI BCI control unit · Scania · 3 variants

Code 622 (decimal). Some diagnostic tools show it in hexadecimal as 026E.

In short

The automatic fire alarm in the engine compartment has been activated via a signal from the external CAN bus.

Variant 1

Applies to: BCI1 (BWE)BCI2 (BWE)

What does Scania BCI fault code 622 mean?

What causes Scania DTC 622?

How does the system react?

How to fix Scania BCI fault code 622?

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Variant 2

Applies to: BCI2 (BWE)

Variant 3: Automatic fire alarm system, engine compartment

Applies to: BCI3 (BWE)

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

Code 622 in other Scania systems