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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Hybrid Control System (Nickel Metal Hydride) - Diagnostic Codes (P0AE1-P1C87)) >> HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY) >> DTC P0AFC-49: Hybrid/EV Battery Sensor Module Internal Electronic Failure [04/2018 - 08/2020] >> DTC Summary

DTC Summary

WARNING: This page is about a different car, the 2020 Toyota Avalon and 2019 Toyota Avalon. 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 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