DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 109 (Hybrid Control System (AWD) - Diagnostic Codes (5 Of 6)) >> HYBRID CONTROL SYSTEM (for AWD) >> DTC P1C2D-62: Hybrid/EV Battery "A" Voltage Sensor/Boosting Converter Voltage Sensor "A" Signal Compare Failure [12/2019 - 11/2023] >> DTC Summary

DTC Summary

WARNING: This page is about a different variant/trim than selected.
  1. MALFUNCTION DESCRIPTION 

    The hybrid vehicle control ECU detects a VB sensor or VL sensor malfunction.

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

    Inverter voltage (VB or VL) sensor internal circuit malfunction 

    • Voltage sensor malfunction
    • Motor generator control ECU (MG ECU) malfunction
    • Communication (wire harness) malfunction

    High voltage system malfunction 

    • HV battery malfunction
    • HV battery junction block assembly malfunction
    • Inverter with converter assembly malfunction
    • High-voltage wire harness malfunction
    • High-voltage connector or connection malfunction
  2. Inspection Overview 
    Inspection Content Reason (Narrow Down in Order Using Inspection Procedures Below) Inspection Step
    Check for DTCs (HV) Output DTCs 1
    Check for DTCs (check voltage sensor malfunction locations)
    Check for DTCs (drive test)
    Ignition switch ON (READY) (vehicle stopped or being driven) and then check whether DTCs are output again. 3, 4
    Read value using GTS Data List value 5
    Check freeze frame data (HV) Freeze Frame Data 6, 7
    Read value using GTS Accelerator and brake pedal simultaneously depressed Data List value 8