Scania ATA DTC 103 No CAN message

ATA ATA control unit · Scania

Code 103 (decimal). Some diagnostic tools show it in hexadecimal as 0067.

In short

Fault in CAN communication.

Applies to: ATA1ATA2

What does Scania ATA fault code 103 mean?

Fault in CAN communication.

What causes Scania DTC 103?

Fault in external cable harness, the control unit for the auxiliary heater, the control unit for the CTS or other control unit on the green CAN bus.

How does the system react?

The auxiliary heater is working correctly.

How to fix Scania ATA fault code 103?

  1. Check the cable harness and connectors.
  2. Check other control units on the green CAN bus using Scania diagnostics.
  3. Clear the fault code and test run the auxiliary heater and vehicle.

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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