Kia Niro Not Charging 12V Battery? We Fix DC-DC Converter Faults!
In the **Kia Niro Hybrid**, the **DC-DC Converter** is responsible for stepping down the high-voltage battery power to charge the conventional 12V auxiliary battery. A fault in this unit will lead to the 12V battery draining and the car failing to start. Our mobile HEV specialists use dedicated diagnostic tools across London to quickly identify and repair or replace the faulty DC-DC converter on-site, restoring reliable 12V system function.