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DTC P0A94-549: DC / DC Converter Performance [02/2014 - 11/2016]: 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 power management control ECU.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A94-549 DC / DC Converter Performance Boost converter overvoltage signal detected (overvoltage due to hybrid vehicle transaxle assembly malfunction):
Overvoltage is detected before boosting.*
(1 trip detection logic)
  • Wire harness or connector
  • Inverter with converter assembly
  • Hybrid vehicle transaxle assembly
Comes on Master Warning Light:
Comes on

*: The hybrid vehicle transaxle assembly may be suspected as a main cause of the malfunction.

RELATED DATA LIST

DTC No. Data List
P0A94-549 VL-Voltage before Boosting