Monitor Description
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
The ECM and skid control ECU (brake booster with master cylinder assembly) send and receive signals via CAN communication.
If a communication error occurs between the ECM and skid control ECU (brake booster with master cylinder assembly), the ECM illuminates the MIL and stores this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Note |
|---|---|---|---|---|---|
| U0129-87 | Lost Communication with Brake System Control Module Missing Message | All of the following conditions are met for 5.1 seconds or more (1 trip detection logic):
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Comes on |
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