DTC P153A-62: Ambient Temperature Sensor / External Condenser Refrigerant Temperature Sensor Signal Compare Failure [08/2023 - ]: 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.
The ambient temp. sensor (thermistor assembly) is installed on the front of the cooler condenser assembly, and is used to detect the ambient temperature and control the air conditioning system.
The external condenser refrigerant temperature sensor (thermostat assembly) is installed on the discharge tube to detect the refrigerant gas temperature from the cooler condenser and is used to control the air conditioning system.
When there is a difference in the temperature signals of the ambient temp. sensor (thermistor assembly) and external condenser refrigerant temperature sensor (thermostat assembly)
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| P153A-62 | Ambient Temperature Sensor / External Condenser Refrigerant Temperature Sensor Signal Compare Failure | Diagnosis Condition:
Malfunction Status:
Detection Time:
Trip:
|
|
Come on | Memorized | Air Conditioner | B | SAE Code:
|