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Home >> Toyota >> 2012 >> Prius V >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System [Diagnostic Codes (P0A78-121 - P0AA1-233)] >> Hybrid Control System >> DTC P0A94-127: DC / DC Converter Performance >> Description

DTC P0A94-127: DC / DC Converter Performance: 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 (HV CPU).

DTC No. INF Code DTC Detection Condition Trouble Area
P0A94 127 Boost converter overvoltage signal detection (overvoltage due to system malfunction)
  • Hybrid battery junction block assembly
  • Inverter with converter assembly
  • Service plug grip
  • Frame wire
  • Hybrid vehicle transaxle assembly
  • Generator cable
  • Motor cable
  • Wire harness or connector
  • PCU fuse
  • Power management control ECU