Monitor Description
WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. However, it is still accessible from the selected car via links, so may be relevant.
The ECM and shift control ECU send and receive signals via CAN communication.
If a communication error occurs between the ECM and shift control ECU, the ECM stores this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Note |
|---|---|---|---|---|---|
| U0103-87 | Lost Communication with Gear Shift Control Module "A" Missing Message | All of the following conditions are met for 1.64 seconds or more (1 trip detection logic):
|
|
Does not come on | SAE Code: U0103 |