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Home >> Lexus >> 2017 >> CT 200h Base >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes (1 Of 5) >> Hybrid Control System >> DTC P0A1A-517: Generator Control Module; DTC P0A1A-809: Generator Control Module [08/2014 - ] >> Description

DTC P0A1A-517: Generator Control Module; DTC P0A1A-809: Generator Control Module [08/2014 - ]: Description

For a description of the inverter (See article. Refer to DESCRIPTION ).

If the generator inverter overheats, has a circuit malfunction or has an internal short, the inverter transmits this information to the MG ECU via the generator inverter fail signal line.

If an abnormal amount of current flows through the generator inverter, the MG ECU detects it and sends a signal to inform the power management control ECU (HV CPU) of the malfunction.

DTC No. INF Code DTC Detection Condition Trouble Area
P0A1A 517 Generator inverter fail signal detection (overcurrent due to MG ECU malfunction) Inverter with converter assembly
P0A1A 809 Abnormal generator current value detection (MG ECU malfunction)