DTC B1214-00: Rear Left Sensor Fault: General Description
WARNING: This page is about a different car, the 2021 Kia Soul. However, it is still accessible from the selected car via links, so may be relevant.
The Parking Distance Warning (PDW) system is an electronic driving aid that warns driver of surrounding obstacles when they are parking.
PDW consists of 8 (front: 4, rear: 4) sensors which uses ultrasonic waves to detect obstacles and sends signal via LIN communication to IBU-BCM.
The IBU-BCM receives signals from PDW sensors and operate buzzer and/or transmits data to instrument cluster for display.