Applies to: EMU1 (ECS)
What does Scania EMU fault code 4171 mean?
The control system has measured current of over 500 mA while the PWM signal to both batteries is low.
What causes Scania DTC 4171?
Fault in heater H39.
How does the system react?
- Heater disconnected. - A yellow warning indication is displayed.
What are the symptoms?
- Limited cab heating. - Limited battery heating. - Limited propulsion.
How to fix Scania EMU fault code 4171?
- If the fault persists, renew heater H39.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.