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Home >> Lexus >> 2009 >> LS 600hL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (Diagnostic Codes (P0A10-592 - P0A7A-322)) >> Hybrid Control System >> DTC P0A78-121: Drive Motor "A" Inverter Performance >> Description

DTC P0A78-121: Drive Motor "A" Inverter Performance: Description

For a description of the inverter. Refer to DESCRIPTION .

DTC No. INF Code DTC Detection Condition Trouble Area
P0A78 121 Motor inverter overvoltage signal detection (overvoltage due to system malfunction)
  • HV battery junction block
  • Inverter with converter assembly
  • Service plug grip (Electric battery fuse)
  • Frame wire
  • Hybrid vehicle transmission assembly
  • Wire harness or connector
  • Generator cable
  • Motor cable
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