DTC P25B3-72: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Open [09/2022 - ]: Description

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus IS 300, 2023 Lexus IS 300, 2022 Lexus IS 300, 2021 Lexus IS 300, and 2020 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0243-13.

Refer to DTC P0243-13: Turbocharger/Supercharger Wastegate Solenoid "A" Circuit Open [09/2022 - ]

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory	Note
P25B3-72	Turbocharger/Supercharger Wastegate "A" Actuator Stuck Open	The boost pressure does not increase despite control to close the waste gate valve (2 trip detection logic).	Waste gate valve Waste gate valve actuator with bracket assembly Vacuum regulating valve assembly Air by-pass valve assembly Vacuum pump assembly Vacuum line No. 2 turbo pressure sensor Mass air flow meter sub-assembly Wire harness or connector Semiconductor pwr integration ECU ECM	Comes on	DTC stored	SAE Code: P25B3 DTC for Mexico Models: Does not apply