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Home >> Lexus >> 2012 >> HS 250h >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid Control System (Diagnostic Codes) >> Hybrid Control System >> DTC P0A1D-721, P0A1D-722, P0A1D-723, P0A1D-765, P0A1D-787: Hybrid Powertrain Control Module; Hybrid Powertrain Control Module; Hybrid Powertrain Control Module; Hybrid Powertrain Control Module; Hybrid Powertrain Control Module >> Description

DTC P0A1D-721, P0A1D-722, P0A1D-723, P0A1D-765, P0A1D-787: Hybrid Powertrain Control Module; Hybrid Powertrain Control Module; Hybrid Powertrain Control Module; Hybrid Powertrain Control Module; Hybrid Powertrain Control Module: Description

The hybrid vehicle control ECU monitors its internal operation and detects malfunctions.

DTC No. INF Code DTC Detection Condition Trouble Area
P0A1D 721 ECU internal error Hybrid vehicle control ECU
P0A1D 722 ECU internal error Hybrid vehicle control ECU
P0A1D 723 ECU internal error Hybrid vehicle control ECU
P0A1D 765 ECU internal error Hybrid vehicle control ECU
P0A1D 787 ECU internal error Hybrid vehicle control ECU