LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine Control System - Diagnostic Codes (P22AB-U115C) & Circuit Tests (1 Of 2)) >> SFI System >> DTC P25B3-72: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Open [03/2023 - ] >> Description

DTC P25B3-72: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Open [03/2023 - ]: 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 DTC P0243-13: Turbocharger/Supercharger Wastegate Solenoid "A" Circuit Open [03/2023 - ]

DTC No. Detection Item DTC Detection Condition Trouble Area MIL 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).
  • Turbocharger sub-assembly
  • Vacuum regulating 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 SAE Code: P25B3