Section 117 (Heating / Air Conditioning System - Diagnostic Codes (3 Of 3) & Symptom Tests)
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
- AIR CONDITIONING SYSTEM (for PHEV Model)
- DTC P1501-7A: Hybrid/EV Battery Cooling Refrigerant Gas Fluid Leak or Seal Failure [12/2023 - ]
- DTC P153B-11: Rear Evaporator Temperature Sensor Circuit Short to Ground [12/2023 - ]
- DTC P153B-15: Rear Evaporator Temperature Sensor Circuit Short to Battery or Open [12/2023 - ]
- DTC P15B9-62: Ambient Temperature Sensor / Ambient Temperature Sensor "B" Signal Compare Failure [12/2023 - ]
- DTC P1EF5-87: High Voltage Electric Heater Missing Message [12/2023 - ]
- DTC P1EF5-96: High Voltage Electric Heater Component Internal Failure [12/2023 - ]
- DTC P1F09-15: High Voltage Electric Heater STB Circuit Short to Battery or Open [12/2023 - ]
- DTC P2D44-96: A/C Compressor Component Internal Failure [12/2023 - ]
- 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 [12/2023 - ]
- Blower Motor Circuit [12/2023 - ]
- PTC Heater Circuit [12/2023 - ]
- Ambient Temperature Display System [12/2023 - ]
- Rear Blower Motor Circuit [12/2023 - ]
- A/C Switch Indicator does not Turn On [12/2023 - ]
- No Cooling at All [12/2023 - ]
- Cooling is Poor [12/2023 - ]
- No Heating at All [12/2023 - ]
- Operation not Accepted Even If Air Conditioning Switch is Operated [12/2023 - ]
- Front Window Fogging [12/2023 - ]
- Blower Motor does not Operate [12/2023 - ]
- Weak Blower Output [12/2023 - ]
- Rear Panel Switch Operation not Accepted [12/2023 - ]
- Recirculated/Fresh Air Modes Switch without User Input [12/2023 - ]
- Recirculated/Fresh Air Modes do not Switch [12/2023 - ]
- Air Vent cannot be Switched [12/2023 - ]
- Air Vent Temperature does not Change and Right Vent is Different from Left and Vice Versa (Same Left/Right Temperature Setting) [12/2023 - ]