Scania BCI DTC 559 Overload, ExpBuss-B13

BCI BCI control unit · Scania · 12 variants

Code 559 (decimal). Some diagnostic tools show it in hexadecimal as 022F.

In short

Overload at output. Current drawn at output exceeds 0.5 A.

Variant 1

Applies to: BCI B1 (BWEXBUS)

What does Scania BCI fault code 559 mean?

What causes Scania DTC 559?

How does the system react?

How to fix Scania BCI fault code 559?

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Variant 2: Overload, ExpI-B13

Applies to: BCI C1 (BWEXI)

Variant 3: Overload, ExpA-30

Applies to: BCI E1 (BWEXA)

Variant 4: Overload, ExpB-30

Applies to: BCI E1 (BWEXB)

Variant 5: Overload, ExpC-30

Applies to: BCI E1 (BWEXC)

Variant 6: Overload, ExpD-30

Applies to: BCI E1 (BWEXD)

Variant 7: Overload, ExpE-30

Applies to: BCI E1 (BWEXE)

Variant 8: Overload, ExpF-30

Applies to: BCI E1 (BWEXF)

Variant 9: Overload, ExpG-30

Applies to: BCI E1 (BWEXG)

Variant 10: Overload, ExpH-30

Applies to: BCI E1 (BWEXH)

Variant 11: Overload, ExpI-30

Applies to: BCI E1 (BWEXI)

Variant 12: Electrical fault, internal temperature sensor

Applies to: BCI1 (BWE)

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

Code 559 in other Scania systems