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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Hybrid Control System (For Lithium-Ion Battery) - Diagnostic Codes (2 Of 4)) >> HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY) >> DTC P0C76-00: Hybrid/EV Battery System Discharge Time Too Long [08/2020 - ] >> DTC Summary

DTC Summary

WARNING: This page is about a different car, the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, and 2021 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. MALFUNCTION DESCRIPTION 

    When the power switch is turned from on (READY) to off, the hybrid vehicle control ECU detect that the high-voltage capacitor inside the inverter with converter assembly is not discharged.

    The cause of this malfunction may be one of the following:

    Inverter voltage sensor (VH) internal circuit malfunction 

    • Voltage sensor (VH) malfunction
    • Motor generator control ECU (MG ECU) malfunction
    • Communication (wire harness) malfunction

    High voltage system malfunction 

    1. Inverter with converter assembly malfunction

    Shutdown signal circuit malfunction 

    • Hybrid vehicle control ECU malfunction
    • Wire harness malfunction
    • Inverter with converter assembly malfunction