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Home >> Lexus >> 2022 >> LS 500h RWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (W/ Advanced Park) - Diagnostic Codes (5 Of 5) & Circuit Tests (1 Of 2) >> HYBRID CONTROL SYSTEM (w/ Advanced Park) >> DTC P33BF-9F: Motor/Generator Shutdown Signal (MG Side) Stuck Off [11/2021 - 10/2023] >> DTC Summary

DTC Summary

  1. MALFUNCTION DESCRIPTION 

    The hybrid vehicle control ECU assembly detects malfunctions which prevent the inverter with converter assembly emergency shutdown circuit (HSDN) from shutting down the hybrid control system. Detection is performed when the power switch is turned on (IG) and during the shutdown sequence when the power switch is turned off. If any of the following condition is detected, this DTC will be stored. If the following conditions are not detected, DTC P321E-9F will be stored.

    • Inverter with converter assembly malfunction
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