Section 85 (Heating / Air Conditioning System - Diagnostic Codes (3 Of 3), Circuit Tests & Symptom Tests)
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.
- AIR CONDITIONING SYSTEM (for PHEV Model)
- DTC P153A-62: Ambient Temperature Sensor / External Condenser Refrigerant Temperature Sensor Signal Compare Failure [08/2023 - ]
- DTC P1EF5-87: High Voltage Electric Heater Missing Message [08/2023 - ]
- DTC P1EF5-96: High Voltage Electric Heater Component Internal Failure [08/2023 - ]
- DTC P1F09-15: High Voltage Electric Heater STB Circuit Short to Battery or Open [08/2023 - ]
- DTC P1F1C-11: Water Cooling Condenser Refrigerant Temperature Sensor Circuit Short to Ground [08/2023 - ]
- DTC P1F1C-15: Water Cooling Condenser Refrigerant Temperature Sensor Circuit Short to Battery or Open [08/2023 - ]
- DTC P1F20-11: Evaporator Refrigerant Temperature Sensor Circuit Short to Ground [08/2023 - ]
- DTC P1F20-15: Evaporator Refrigerant Temperature Sensor Circuit Short to Battery or Open [08/2023 - ]
- DTC P2611-12: A/C Low Pressure Magnetic Valve Circuit Short to Battery [08/2023 - ]
- DTC P2611-14: A/C Low Pressure Magnetic Valve Circuit Short to Ground or Open [08/2023 - ]
- DTC P2D44-96: A/C Compressor Component Internal Failure [08/2023 - ]
- DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0111-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0198-87: Lost Communication with Telematic Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message [08/2023 - ]
- Blower Motor Circuit [08/2023 - ]
- Ambient Temperature Display System [08/2023 - ]
- A/C Switch Indicator does not Turn On [08/2023 - ]
- No Cooling at All [08/2023 - ]
- Cooling is Poor [08/2023 - ]
- No Heating at All [08/2023 - ]
- Operation not Accepted Even If Air Conditioning Switch is Operated [08/2023 - ]
- Front Window Fogging [08/2023 - ]
- Blower Motor does not Operate [08/2023 - ]
- Weak Blower Output [08/2023 - ]
- Recirculated/Fresh Air Modes Switch without User Input [08/2023 - ]
- Recirculated/Fresh Air Modes do not Switch [08/2023 - ]
- Air Vent cannot be Switched [08/2023 - ]
- Air Vent Temperature does not Change and Right Vent is Different from Left and Vice Versa (Same Left/Right Temperature Setting) [08/2023 - ]