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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Heating / Air Conditioning System - Diagnostic Codes (3 Of 3), Circuit Tests & Symptom Tests) >> AIR CONDITIONING SYSTEM (for PHEV Model) >> DTC P153A-62: Ambient Temperature Sensor / External Condenser Refrigerant Temperature Sensor Signal Compare Failure [08/2023 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.

When the value obtained by subtracting the temperature detected by the exterior heat exchanger temperature sensor from the temperature detected from the thermistor assembly is the threshold or more, the air conditioning amplifier assembly illuminates the MIL and stores the DTC.

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