Section 219 (Heating / Air Conditioning System (Except Hybrid) - Diagnostic Codes & Symptom Tests)
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
- AIR CONDITIONING SYSTEM (for Gasoline Model)
- DTC B1411: Room Temperature Sensor Circuit [06/2018 - ]
- DTC B1412: Ambient Temperature Sensor Circuit [06/2018 - ]
- DTC B1413: Evaporator Temperature Circuit or Evaporator Fin Thermistor [06/2018 - ]
- DTC B1418: Emission Gas Sensor Circuit [06/2018 - ]
- DTC B1422: Compressor Lock [06/2018 - ]
- DTC B1423: Open in Pressure Sensor Circuit / Abnormal Refrigerant Pressure [06/2018 - ]
- DTC B1441: Air Mix Damper Control Servo Motor Circuit (Passenger Side); DTC B1443: Air Outlet Damper Control Servo Motor Circuit; DTC B1446: Air Mix Damper Control Servo Motor Circuit (Driver Side) [06/2018 - ]
- DTC B1442: Air Inlet Damper Control Servo Motor [06/2018 - ]
- DTC B1449: Air Outlet Damper Control Servo Motor Circuit (Rear) [06/2018 - ]
- DTC B1451: Compressor Solenoid Circuit [06/2018 - 08/2020]
- DTC B1451: Compressor Solenoid Circuit [08/2020 - ]
- DTC B1461: Emission Gas Nox Sensor Circuit [06/2018 - ]
- DTC B1497: Communication Malfunction (Bus IC) [06/2018 - ]
- DTC B14B2: Lost Communication with Front Panel LIN [06/2018 - ]
- DTC B14B8: Refrigerant Shortage [06/2018 - ]
- DTC B14BD: Refrigerant Overabundance Filling Malfunction [06/2018 - ]
- DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0131: Lost Communication With Power Steering Control Module; DTC U0142: Lost Communication With Body Control Module "B"; DTC U0151: Lost Communication With Restraints Control Module; DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0163: Lost Communication With Navigation Control Module [06/2018 - ]
- Blower Motor Circuit [06/2018 - ]
- Air Conditioning Compressor Magnetic Clutch Circuit [06/2018 - ]
- PTC Heater Circuit [06/2018 - ]
- Ambient Temperature Display System [06/2018 - ]
- ECO Switch Circuit [06/2018 - ]
- A/C Switch Indicator does not Turn On [06/2018 - ]
- Cooling is Poor [06/2018 - ]
- Operation not Accepted Even If Air Conditioning Switch is Operated [06/2018 - ]
- Front Window Fogging [06/2018 - ]
- Blower Motor does not Operate [06/2018 - 08/2020]
- Blower Motor does not Operate [08/2020 - ]
- Weak Blower Output [06/2018 - ]
- Recirculated/Fresh Air Modes Switch without User Input [06/2018 - 08/2020]
- Recirculated/Fresh Air Modes Switch without User Input [08/2020 - ]
- Recirculated/Fresh Air Modes do not Switch [06/2018 - 08/2020]
- Recirculated/Fresh Air Modes do not Switch [08/2020 - ]
- No Cool Air Comes Out [06/2018 - ]
- Air Vent cannot be Switched [06/2018 - ]
- Air Vent Temperature does not Change and Right Vent is Different from Left and Vice Versa (Same Left/Right Temperature Setting) [06/2018 - 08/2020]
- Air Vent Temperature does not Change and Right Vent is Different from Left and Vice Versa (Same Left/Right Temperature Setting) [08/2020 - ]
- No Warm Air Comes Out [06/2018 - 08/2020]
- No Warm Air Comes Out [08/2020 - ]