DTC P0A94-557: DC / DC Converter Performance: Description

For a description of the boost converter. Refer toDESCRIPTION .

If the boost converter detects a circuit malfunction, overheat, or internal short, it transmits this information to the MG ECU via the boost converter fail signal line.

DTC No.	INF Code	DTC Detection Condition	Trouble Area
P0A94	557	Boost converter fail signal detection (circuit malfunction)	Wire harness or connector Inverter cooling system Water pump with motor and bracket assembly Hybrid vehicle transmission assembly Inverter with converter assembly Fuel level Engine Fan motor Cooling fan ECU Multiplex network front light ECU (front controller) Fusible link block assembly Fuse Hybrid vehicle control ECU