LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2012 >> HS 250h >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid Control System (Diagnostic Codes) >> Hybrid Control System >> DTC P0A1A-200, P0A1A-792, P0A1A-793: Generator Control Module; Generator Control Module; Generator Control Module >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0A1A-200, P0A1A-792, P0A1A-793: Generator Control Module; Generator Control Module; Generator Control Module: Description

The inverter with converter assembly (MG ECU) monitors its internal operation and detects the following malfunctions.

DTC No. INF Code DTC Detection Condition Trouble Area
P0A1A 200 The difference between the resolver angle for control and estimated resolver angle exceeds the allowable value.
  • Wire harness or connector
  • Inverter with converter assembly
  • Hybrid vehicle transaxle assembly
792 Resolver REF signal cycle error
793 Resolver REF signal oscillation stop error