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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 P0A94-558 DC / DC Converter Performance; DTC P0A94-559 DC / DC Converter Performance; DTC P0A94-560 DC / DC Converter Performance >> Description

DTC P0A94-558 DC / DC Converter Performance; DTC P0A94-559 DC / DC Converter Performance; DTC P0A94-560 DC / DC Converter Performance: Description

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

Upon receiving a boost converter gate shutdown signal from the HV control ECU, the boost converter forcefully stops the operation of the boost converter by turning OFF the power transistors that are actuating the boost converter.

The HV control ECU monitors the boost converter gate shutdown signal line and detects a malfunction.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. INF Code DTC Detection Condition Trouble Area
P0A94 558 GND short in boost converter gate shutdown (CSDN) signal circuit
  • Wire harness or connector
  • Inverter with converter assembly
P0A94 559 Open or +B short in boost converter gate shutdown (CSDN) signal circuit
  • Wire harness or connector
  • Inverter with converter assembly
P0A94 560 Open in boost converter gate shutdown (CSDN) signal circuit
  • Wire harness or connector
  • Inverter with converter assembly