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Home >> Lexus >> 2021 >> LS 500h RWD >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seat Heater System - Diagnostic Codes & Symptom Tests (1 Of 2) >> Seat Heater System >> DTC B14C3: Rear Left Seat Heat Sensor Circuit [10/2017 - ] >> Description

DTC B14C3: Rear Left Seat Heat Sensor Circuit [10/2017 - ]: Description

Output to the rear 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
B14C3 Rear Left Seat Heat Sensor Circuit Seat heater temperature sensor malfunction
  • Air conditioning amplifier assembly
  • Separate type rear seat cushion cover LH*1
  • Bench type rear seat cushion cover*2
  • Harness or connector
  1. *1: w/ Rear Power Seat
  2. *2: w/o Rear Power Seat