Scania BCI DTC 705 Short circuit to battery, output for accessory mode (pin B1)

BCI BCI control unit · Scania · 2 variants

Code 705 (decimal). Some diagnostic tools show it in hexadecimal as 02C1.

In short

Excessively high voltage on inactive output for accessory mode.

Variant 1

Applies to: BCI2 (BWE)

What does Scania BCI fault code 705 mean?

What causes Scania DTC 705?

How does the system react?

What are the symptoms?

How to fix Scania BCI fault code 705?

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Variant 2

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.

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