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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Control System - Diagnostic Codes (10 Of 10), Symptom Tests (1 Of 2) & Circuit Tests (1 Of 2)) >> SFI SYSTEM (for Gasoline Model) >> DTC P25B4-73: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Closed [10/2022 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

Monitors the turbocharging pressure when the waste gate valve receives an open command. a waste gate valve stuck close malfunction occurs when the turbocharging variation, which results from 2 operation conditions with differing air volumes, becomes equal to, or greater than, the judgment variation. The ECM illuminates the MIL and stores a DTC.

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