DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 73 (Motor Generator Control System (AWD) - Diagnostic Codes (4 Of 5)) >> MOTOR GENERATOR CONTROL SYSTEM (for AWD) >> DTC P0C55-16: Drive Motor "B" Position Sensor Circuit "A" Circuit Voltage Below Threshold; DTC P0C55-17: Drive Motor "B" Position Sensor Circuit "A" Circuit Voltage Above Threshold; DTC P0C5F-16: Drive Motor "B" Position Sensor Circuit "B" Circuit Voltage Below Threshold; DTC P0C5F-17: Drive Motor "B" Position Sensor Circuit "B" Circuit Voltage Above Threshold [12/2019 - 11/2023] >> DTC Summary

DTC Summary

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

    These DTCs indicate that the resolver output signal is abnormal. The cause of this malfunction may be one of the following:

    Internal inverter malfunction 

    • Inverter with converter assembly internal circuit malfunction

    Inverter low-voltage circuit malfunction 

    • The connectors are not connected properly

    HINT: 

    If any of these DTCs is output, malfunction of the motor generator control ECU circuit board or poor connection of low-voltage connectors is suspected. It is not necessary to inspect the motor resolver.