DTC P25B4-73: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Closed [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.

Refer to DTC P0243-13.

Refer to DESCRIPTION [11/2021 - 03/2023] , or refer to DESCRIPTION [03/2023 - ]

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Note
P25B4-73	Turbocharger/Supercharger Wastegate "A" Actuator Stuck Closed	The boost pressure does not drop despite control to open the waste gate valve (2 trip detection logic).	Turbocharger sub-assembly Vacuum regulating valve assembly No. 2 turbo pressure sensor Mass air flow meter sub-assembly Semiconductor pwr integration ECU Wire harness or connector ECM	Comes on	SAE Code: P25B4