DTC B1279: Lost Communication with Humidity/Rain Sensor LIN [10/2019 - 10/2020]: Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.
The main body ECU (multiplex network body ECU) and air conditioning thermistor assembly*1 or rain sensor*2 communicate via LIN communication.
The main body ECU (multiplex network body ECU) stores this DTC if communication becomes abnormal.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory |
|---|---|---|---|---|
| B1279 | Lost Communication with Humidity/Rain Sensor LIN | Lost communication with air conditioning thermistor assembly |
|
Memorized (10 sec. or more)*3 |
- *1: w/o Rain Sensor
- *2: w/ Rain Sensor
- *3: The air conditioning amplifier assembly stores this DTC if the malfunction has occurred for the period of time indicated in the brackets.