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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Hybrid Control System - Diagnostic Codes (3 Of 5)) >> HYBRID CONTROL SYSTEM (for 1Motor-HEV Model) >> DTC P0AFC-49: Hybrid/EV Battery Sensor Module Internal Electronic Failure [09/2023 - ] >> DTC Summary

DTC Summary

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
  1. MALFUNCTION DESCRIPTION 

    When the hybrid control system is activated, the hybrid vehicle control ECU assembly checks the power supply voltage of the battery voltage sensor and detects malfunction.

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

    Battery voltage sensor internal malfunction 

    • Battery voltage sensor malfunction

    Low-voltage circuit (12 V) malfunction 

    • Battery voltage sensor malfunction
    • Low voltage wire harness malfunction