Applies to: BCS1
What does Scania BCS fault code 3 mean?
The voltage supply has been above the permitted level.
What causes Scania DTC 3?
The alternator is not working properly.
How to fix Scania BCS fault code 3?
- Check the voltage supply to the control unit and compare it with the battery voltage.
- Also check operation of the alternator.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.
Code 3 in other Scania systems
- 3hex 0003 Control unit 1, ACS
- 3hex 000003 Loudspeaker channel 1, break in circuit
- 3hex 0003 Control unit
- 3hex 0003 Communication with the coordinator
- 3hex 0003 Recirculation motor
- 3hex 0003 Radio controls
- 3hex 0003 Activating the radio
- 3hex 0003 Factory settings are incorrect.
- 3hex 000003 Supply voltage, too low
- 3hex 0003 Control unit
- 3hex 0003 Control unit
- 3hex 0003 External instrument panel lighting
- 3hex 0003 Voltage supply
- 3hex 0003 Rotational speed sensor
- 3hex 0003 Dipped beam RH.