Applies to: ATA1ATA2
What does Scania ATA fault code 194 mean?
Incorrect or invalid data in the control unit.
What causes Scania DTC 194?
Internal fault in the control unit.
How to fix Scania ATA fault code 194?
- Erase the fault code and test run the auxiliary heater.
- If the fault code recurs, renew the control unit.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.