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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes - (Hybrid) (5 Of 8) >> Hybrid Control System >> DTC P0A40-549: Drive Motor "A" Position Sensor Circuit Range / Performance [10/2015 - ] >> Description

DTC P0A40-549: Drive Motor "A" Position Sensor Circuit Range / Performance [10/2015 - ]: Description

For a description of the boost converter (Refer to DESCRIPTION ).

If a malfunction occurs in the boost converter, the MG ECU detects it and transmits this information to the hybrid vehicle control ECU assembly.

DTC No. INF Code DTC Detection Condition Trouble Area
P0A40 549 Boost converter overvoltage signal detection (overvoltage due to hybrid vehicle transaxle assembly malfunction)
  • Wire harness or connector
  • Inverter with converter assembly
  • Hybrid vehicle transaxle assembly