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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 99 (Plug-In Charge Control System - Diagnostic Codes (2 Of 3)) >> PLUG-IN CHARGE CONTROL SYSTEM (for PHEV Model) >> DTC P1BBB-19: Charger "B" Current after Boosting by PFC Boosting Circuit Circuit Current Above Threshold [12/2023 - ] >> DTC Summary

DTC Summary

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
  1. MALFUNCTION DESCRIPTION 

    Internal operation status is monitored by the charge control ECU built into the electric vehicle charger assembly, and when a DC-DC converter overcurrent abnormality is detected on the system 2 side of the electric vehicle charger assembly, a DTC is stored.If this DTC is output, use a known good AC power source to perform AC charging for confirmation, and if the malfunction occurs again, replace the electric vehicle charger assembly.

    When this DTC occurs, charging stops.

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

    Malfunction in the vehicle side 

    • Electric vehicle charger assembly malfunction

    Malfunction except vehicle side 

    • External power source malfunction
  2. INSPECTION DESCRIPTION 
    GTY993393Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    System Diagram Range Inspection Content Reason
    *a Inspect the external power source by checking plug-in charge state using a known good external power source. External power source malfunction
    *b Replace electric vehicle charger assembly Electric vehicle charger assembly internal malfunction