DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 78 (Motor Generator Control System (AWD) - Diagnostic Codes (1 Of 5)) >> MOTOR GENERATOR CONTROL SYSTEM (for AWD) >> DTC P0A4B-16: Generator Position Sensor Circuit Voltage Below Threshold; DTC P0A4B-1F: Generator Position Sensor Circuit Intermittent [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:

    Area Main Malfunction Description
    Inverter low-voltage circuit The connectors are not connected properly
    Hybrid Vehicle Transaxle Assembly
    • Short circuit in the generator resolver circuit
    • Generator (MG1) internal malfunction (entry of foreign matter, etc.)
    Wire harness between the resolver and inverter with converter assembly
    • Short circuit in the wire harness
    • The connectors are not connected properly (entry of foreign matter or water, etc.)
    Inside of inverter Inverter with converter assembly internal circuit malfunction
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