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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seat Heater System - Diagnostic Codes & Symptom Tests >> Seat Heater System >> DTC B14C2: Rear Right Seat Heat Sensor Circuit [12/2019 - 11/2023] >> Description

DTC B14C2: Rear Right Seat Heat Sensor Circuit [12/2019 - 11/2023]: Description

Power supply to the temperature sensor built into the rear seat cushion heater stops if one of the following occurs: 1) an open or short occurs in the temperature sensor circuit; or 2) the temperature sensor is damaged and its output value does not change.

DTC No. Detection Item DTC Detection Condition Trouble Area
B14C2 Rear Right Seat Heat Sensor Circuit Seat heater temperature sensor malfunction
  • Air conditioning amplifier assembly
  • Rear seat cushion heater RH (seat heater assembly)
  • Wire harness or connector