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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 107 (Hybrid Control System (2WD) - Diagnostic Codes (4 Of 7)) >> HYBRID CONTROL SYSTEM (for 2WD) >> DTC P0AFC-49: Hybrid/EV Battery Sensor Module Internal Electronic Failure [12/2019 - 11/2023] >> Procedure

DTC P0AFC-49: Hybrid/EV Battery Sensor Module Internal Electronic Failure [12/2019 - 11/2023]: Procedure

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  1. CHECK HARNESS AND CONNECTOR (IGCT VOLTAGE) 

    See step  2

    Result

    Proceed to
    OK
    NG

    Result: 

    OK 

    REPLACE BATTERY VOLTAGE SENSOR 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (BATTERY VOLTAGE SENSOR - BODY GROUND) 

    See step  3

    Result

    Proceed to
    OK
    NG

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (IGCT NO. 2 FUSE - BATTERY VOLTAGE SENSOR) 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY VOLTAGE SENSOR - BODY GROUND)