DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 116 (Hybrid Control System (AWD) - Diagnostic Codes (4 Of 6)) >> HYBRID CONTROL SYSTEM (for AWD) >> DTC P0C73-96: Motor Electronics Coolant Pump "A" Component Internal Failure [12/2019 - 11/2023] >> DTC Summary

DTC Summary

WARNING: This page is about a different variant/trim than selected.
  1. MALFUNCTION DESCRIPTION 

    This DTC is stored when the inverter water pump assembly is malfunctioning. The cause of this malfunction may be one of the following:

    Inverter water pump assembly malfunction 

    • Inverter water pump assembly internal malfunction
    • Open or short in wire harness
    • Improperly connected connector

    Hybrid cooling system malfunction 

    • Foreign matter in inverter water pump assembly
    • Hybrid cooling system coolant is frozen

    HINT: 

    If this DTC is stored, the driving torque may be restricted.

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