Applies to: EMU1 (ECS)
What does Scania EMU fault code 4150 mean?
The control unit states an implausibly high voltage, which indicates an open circuit.
What causes Scania DTC 4150?
- 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. - Heating and cooling of the propulsion batteries is limited.
What are the symptoms?
Impaired vehicle performance due to reduced heating or cooling of the propulsion batteries.
How to fix Scania EMU fault code 4150?
- Check the temperature sensor, connector and cable harness.
- Change the temperature sensor, contactor or wiring harness to the sensor.
- Renew 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.