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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 147 (Motor Generator Control System - Diagnostic Codes (3 Of 5)) >> MOTOR GENERATOR CONTROL SYSTEM (for THS-HEV Model) >> DTC P0A94-9E: DC/DC Converter Stuck On; DTC P0D33-19: DC/DC Converter Circuit Current Above Threshold [10/2022 - ] >> Monitor Description

Monitor Description

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

If excessive amperage flows through the boost converter, the boost converter will transmit a boost converter fail signal to the motor generator control ECU. Upon receiving this signal, the ECU will illuminate the MIL and store a DTC.

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