Variant 1
Applies to: FLC1 (FLC)
What does Scania FLC fault code 278 mean?
The supply voltage to the control unit has been below 16 V.
What causes Scania DTC 278?
Voltage coming into control unit too low or internal fault.
How does the system react?
- Advanced emergency braking and lane departure warning will not be activated. - Yellow warning is displayed in the instrument cluster.
How to fix Scania FLC fault code 278?
- Check the voltage supply to the control unit.
- If the voltage supply in the control unit harness-to-component connector is correct, there is a fault in the control unit.
- Renew the control unit.
Variant 2
Applies to: FLC1
Detection
The supply voltage to the control unit has been below 16 V.
How to fix
Check the voltage supply to 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.
Code 278 in other Scania systems
- 278hex 000116 Electric motor
- 278hex 0116 Coolant temperature sensor T33
- 278hex 0116 Coolant temperature sensor T33
- 278hex 0116 Coolant temperature sensor T33
- 278hex 0116 Coolant temperature sensor T33
- 278hex 0116 Alarm code, front grille panel
- 278hex 0116 Clutch actuator, fault in the current sensor
- 278hex 0116 Solenoid valve