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Home >> Toyota >> 2012 >> Highlander Hybrid >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control System (Diagnostic Codes (P0A69-677 - P0A79-716)) (Hybrid) >> Hybrid Control System >> DTC P0A78-128: Drive Motor "A" Inverter Performance >> Description

DTC P0A78-128: Drive Motor "A" Inverter Performance: Description

For a description of the inverter. Refer to DESCRIPTION .

If an abnormal amount of current flows through the motor inverter, the MG ECU detects it and sends a signal to inform the hybrid vehicle control ECU of the malfunction.

DTC No. INF Code DTC Detection Condition Trouble Area
P0A78 128 Abnormal motor current value detection (System malfunction)
  • Hybrid vehicle transaxle assembly
  • Inverter with converter assembly
  • Hybrid vehicle control ECU
  • PCU fuse
  • Wire harness or connector