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Home >> Lexus >> 2021 >> UX 200 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Seats >> Seat Heater System (Diagnostic Codes & Symptom Tests) >> Seat Heater System >> DTC B14C1: Front Left Seat Heat Sensor Circuit [10/2018 - ] >> Description

DTC B14C1: Front Left Seat Heat Sensor Circuit [10/2018 - ]: Description

Output to the front seat cushion heater temperature sensor stops if one of the following occurs: 1) the temperature sensor is open or shorted; or 2) the temperature sensor is damaged and its output value does not change.

DTC No. Detection Item DTC Detection Condition Trouble Area
B14C1 Front Left Seat Heat Sensor Circuit Seat heater temperature sensor malfunction
  • Air conditioning amplifier assembly
  • Front seat cushion heater assembly LH*1
  • Front seat cushion heater (front seat cushion pad with cover LH)*2
  • Wire harness or connector
  1. *1: for Standard Seat Type
  2. *2: for Sports Seat Type