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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 P0A1B-788: Drive Motor "A" Control Module >> Description

DTC P0A1B-788: Drive Motor "A" Control Module: Description

If the inverter with converter assembly (MG ECU) is reset due to a problem with the power source in the inverter, the hybrid vehicle control ECU will set this DTC.

DTC No. INF Code DTC Detection Condition Trouble Area
P0A1B 788 Error in reset signal from the inverter assembly power source IC
  • Wire harness or connector
  • Inverter with converter assembly
  • Engine room No. 2 relay block
  • Hybrid vehicle control ECU