O2 Sensor Circuit Low Voltage (Bank 1, Sensor 3)

What does this mean?

Code P0143 indicates a problem with the third oxygen sensor on Bank 1. This sensor is used in some vehicles with a secondary catalytic converter for additional monitoring.

Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Kia Ev6 models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.