DTC P0A78-121: Drive Motor "A" Inverter Performance: Description

For a description of the inverter. Refer toDTC P0A78-266: Drive Motor "A" Inverter Performance; DTC P0A78-267: Drive Motor "A" Inverter Performance .

If an overvoltage occurs in the motor inverter or generator inverter, the MG ECU detects it and transmits this information to the hybrid vehicle control ECU.

DTC No.	INF Code	DTC Detection Condition	Trouble Area
P0A78	121	Motor inverter overvoltage signal detection (overvoltage due to system malfunction)	Wire harness or connector Hybrid vehicle transaxle assembly Service plug grip Frame wire Hybrid battery junction block assembly Inverter with converter assembly