DTC B1247: Tire Pressure Monitor Receiver Communication Stop [06/2018 - ]: Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
The main body ECU (multiplex network body ECU) and tire pressure warning ECU and receiver communicate by direct line. If a malfunction occurs in this communication signal, B1247 is output by the main body ECU (multiplex network body ECU).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B1247 | Tire Pressure Monitor Receiver Communication Stop | Communication between the tire pressure warning ECU and receiver and main body ECU (multiplex network body ECU) is interrupted for 10 seconds or more. |
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This DTC is for main body ECU (multiplex network body ECU) |