Applies to: EMU1 (ECS)
What does Scania EMU fault code 4105 mean?
The control unit states an implausibly high voltage, which indicates an open circuit.
What causes Scania DTC 4105?
- Fault in cable harness or connector. - Fault in the temperature sensor. - Fault in control unit E159.
How does the system react?
- A yellow warning indication is displayed. - No re-use of heat from power electronics.
What are the symptoms?
- The fan will run more than usual. - Impaired acclimatization of the battery.
How to fix Scania EMU fault code 4105?
- Check the temperature sensor, connector and cable harness.
- Change the temperature sensor, contactor or wiring harness to the sensor.
- Replace control unit E159.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.