Scania BCI DTC 691 Break switch, sliding fifth wheel

BCI BCI control unit · Scania · 3 variants

Code 691 (decimal). Some diagnostic tools show it in hexadecimal as 02B3.

In short

Short circuit to ground in break switch 1.

Variant 1

Applies to: BCI2 (BWE)

What does Scania BCI fault code 691 mean?

What causes Scania DTC 691?

How does the system react?

How to fix Scania BCI fault code 691?

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Variant 2

Applies to: BCI3 (BWE)

Variant 3

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 691 in other Scania systems

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