Home >> Lexus >> 2017 >> GS 450h Base >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (Diagnostic Codes (P0A09-591 - P0A1B-794) >> Hybrid Control System >> DTC P0A1D-721: Hybrid Powertrain Control Module; DTC P0A1D-722: Hybrid Powertrain Control Module; DTC P0A1D-723: Hybrid Powertrain Control Module; DTC P0A1D-787: Hybrid Powertrain Control Module; DTC P0A1D-818: Hybrid Powertrain Control Module [09/2014 - ] >> Typical Enabling Conditions