Scania BCI DTC 538 Connection, expansion unit

BCI BCI control unit · Scania · 5 variants

Code 538 (decimal). Some diagnostic tools show it in hexadecimal as 021A.

In short

2 or more control unit connections have the same ID pin.

Variant 1

Applies to: BCI2 (BWE)

What does Scania BCI fault code 538 mean?

What causes Scania DTC 538?

How does the system react?

How to fix Scania BCI fault code 538?

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included
Get Premium – 7,50 € / month I already have an account

Yearly plan: pay 10 months, get 12. Cancel at any time.

Variant 2

Applies to: BCI3 (BWE)

Variant 3: Short circuit, ExpBuss-B16

Applies to: BCI B1 (BWEXBUS)

Variant 4

Applies to: BCI1 (BWE)

Variant 5

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 538 in other Scania systems

Compare code 538 in every system →