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 monitors the operation of the throttle actuator. When a malfunction is detected in the throttle actuator cut circuit immediately after the ignition switch is turned off, the ECM illuminates the MIL and stores a DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Note |
|---|---|---|---|---|---|
| P16B0-9F | Actuator Cut Circuit Stuck Off | ECM main CPU malfunction (1 trip detection logic). | ECM | Comes on | SAE Code: P16B0 |