Applies to: FLC3 (FLC)
What does Scania FLC fault code 43012 mean?
The supply voltage has been below 18 V.
What causes Scania DTC 43012?
- Fault in the vehicle's electrical system or alternator. - Internal fault in the control unit.
How does the system react?
The control unit's communications are turned off at a supply voltage below 7 V.
How to fix Scania FLC fault code 43012?
- Check the voltage supply to the control unit.
- Check the cable harness and harness-to-harness connectors.
- Check whether other systems have set a fault code for voltage supply.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.