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

WARNING: This page is about a different variant/trim than selected.

For a description of the boost converter. Refer to DTC P0A94-442: DC / DC Converter Performance .

If the boost converter detects a circuit malfunction, overheat, or internal short, it transmits this information to the FCV terminal of 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 & bracket assembly Hybrid vehicle transaxle assembly Inverter with converter assembly Fuel level Engine assembly Cooling fan system Hybrid vehicle control ECU Fuse (INV W/P) Engine room R/B