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Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Hybrid Control System - Diagnostic Codes (3 Of 5)) >> Hybrid Control System >> DTC P0AFC-49: Hybrid/EV Battery Sensor Module Internal Electronic Failure [11/2023 - ] >> DTC Summary

DTC Summary

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  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