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Home >> Toyota >> 2006 >> Prius >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> P112 Hybrid Vehicle Control - DTC P0A94 - P3226, U0100 - U0146 >> DTC P0A94-547 DC / DC Converter Performance; DTC P0A94-548 DC / DC Converter Performance; DTC P0A94-549 DC / DC Converter Performance >> Description

DTC P0A94-547 DC / DC Converter Performance; DTC P0A94-548 DC / DC Converter Performance; DTC P0A94-549 DC / DC Converter Performance: Description

See the description of the booster converter (see DTC P0A94-442 DC / DC CONVERTER PERFORMANCE  ).

If the boost converter detects a circuit malfunction or over-voltage, the boost converter transmits that information to the OVL terminal of the HV control ECU via the boost converter over-voltage signal line.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. INF Code DTC Detection Condition Trouble Area
P0A94 547 Boost converter over-voltage (OVL) signal detection (overvoltage by HV control ECU malfunction)
  • Wire harness or connector
  • HV transaxle assembly
  • Hybrid vehicle motor
  • Hybrid vehicle generator
  • HV control ECU
  • Inverter with converter assembly
P0A94 548 Boost converter over-voltage (OVL) signal detection (overvoltage by inverter assembly malfunction)
  • Wire harness or connector
  • HV transaxle assembly
  • Hybrid vehicle motor
  • Hybrid vehicle generator
  • HV control ECU
  • Inverter with converter assembly
P0A94 549 Boost converter over-voltage (OVL) signal detection (overvoltage by HV transaxle assembly malfunction)
  • Wire harness or connector
  • HV transaxle assembly
  • Hybrid vehicle motor
  • Hybrid vehicle generator
  • HV control ECU
  • Inverter with converter assembly