DTC P148D-7E: Purge One Way Valve Stuck Open [11/2021 - ]: Description
WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
The description can be found in EVAP (Evaporative Emission) System.
Refer to EVAP System [11/2021 - ]