DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 117 (Rear Motor Generator Control System - Diagnostic Codes) >> Rear Motor Generator Control System >> DTC P0A79-73: Drive Motor "B" Inverter Actuator Stuck Closed [12/2019 - 11/2023] >> DTC Summary

DTC Summary

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  1. MALFUNCTION DESCRIPTION 

    This DTC is stored when a short is detected in the inverter with converter assembly (rear motor inverter) or the rear traction motor with transaxle assembly (rear motor (MGR)). The cause of this malfunction may be one of the following:

    Internal inverter malfunction 

    1. Rear motor inverter internal circuit malfunction

    Rear traction motor with transaxle assembly (rear motor (MGR)) malfunction 

    • Open or short circuit
    • Iron particles or damage from foreign objects