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Home >> Lexus >> 2009 >> LS 600hL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (Diagnostic Codes (P1606-308 - U0424-537) & Circuit Tests) >> Hybrid Control System >> DTC P3087-183: Open Circuit in DC / DC Converter EMPS >> Description

DTC P3087-183: Open Circuit in DC / DC Converter EMPS: Description

The hybrid vehicle control ECU requests the power steering converter to operate or stop according to the usage state of the HV battery.

DTC No. INF Code DTC Detection Condition Trouble Area
P3087 183 Open or short to GND in the power steering converter permission signal line (PSOK)
  • Wire harness or connector
  • Hybrid vehicle control ECU
  • Power steering converter