Scania CID DTC 1859 Fault in the internal voltage supply

CID CID control unit · Scania

Code 1859 (decimal). Some diagnostic tools show it in hexadecimal as 000743.

In short

Fault in the internal voltage supply detected.

Applies to: CID1 (CID)

What does Scania CID fault code 1859 mean?

Fault in the internal voltage supply detected.

What causes Scania DTC 1859?

Internal fault in the interactive centre information display.

How does the system react?

Internal voltages are not available. The system enters a safe state

What are the symptoms?

The function of the interactive centre information display is limited or missing.

How to fix Scania CID fault code 1859?

- Check the internal voltage supply to the interactive centre information display.

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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