Scania CID DTC 1866 Internal fault

CID CID control unit · Scania

Code 1866 (decimal). Some diagnostic tools show it in hexadecimal as 00074A.

In short

The internal control function has detected a fault.

Applies to: CID1 (CID)

What does Scania CID fault code 1866 mean?

What causes Scania DTC 1866?

How does the system react?

What are the symptoms?

How to fix Scania CID fault code 1866?

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