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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Engine Control System - Diagnostic Codes (7 Of 7) & Symptom Tests (1 Of 2)) >> SFI SYSTEM (for 1Motor-HEV Model) >> DTC P25B4-73: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Closed [09/2023 - ] >> Description

DTC P25B4-73: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Closed [09/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0243-12.

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority 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).
  • Waste gate valve (turbocharger sub-assembly)
  • Vacuum regulating valve assembly
  • No. 2 turbo pressure sensor
  • Mass air flow meter sub-assembly
  • Wire harness or connector
  • ECM
Comes on Engine B
  • SAE Code: P25B4
  • DTC for Mexico Models: Does not apply