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Home >> Lexus >> 2009 >> LS 600hL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (Diagnostic Codes (P0A7A-324 - P1557-887)) >> Hybrid Control System >> DTC P1557-887: DC / DC Converter Temperature Sensor Circuit >> Description

DTC P1557-887: DC / DC Converter Temperature Sensor Circuit: Description

HINT: 

Although the DTC title indicates DC/DC converter, this DTC relates to the reactor temperature sensor in the inverter with converter assembly.

DTC No. INF Code DTC Detection Condition Trouble Area
P1557 887 Reactor temperature sensor performance problem
  • Wire harness or connector
  • Inverter cooling system
  • Water pump with motor and bracket assembly
  • Inverter with converter assembly
  • Fan motor
  • Cooling fan ECU
  • Multiplex network front light ECU (Front controller)
  • Fusible link block assembly
  • Fuse
  • Hybrid vehicle control ECU
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