Scania CID DTC 1856 CAN communication, short circuit

CID CID control unit · Scania

Code 1856 (decimal). Some diagnostic tools show it in hexadecimal as 000740.

In short

Short circuit to earth detected on CAN communication.

Applies to: CID1 (CID)

What does Scania CID fault code 1856 mean?

Short circuit to earth detected on CAN communication.

What causes Scania DTC 1856?

Fault in the cable harness.

What are the symptoms?

Limited function for the interactive centre information display.

How to fix Scania CID fault code 1856?

  1. Check the cable harness for CAN communication.
  2. Check the connectors.

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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