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Home >> Lexus >> 2018 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (Diagnostic Codes) (2 Of 10) >> Hybrid Control System >> DTC P0A1A-517: Generator Control Module; DTC P0A1A-809: Generator Control Module [10/2015 - ] >> Description
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DTC P0A1A-517: Generator Control Module; DTC P0A1A-809: Generator Control Module [10/2015 - ]: Description

For a description of the inverter.

Refer to DESCRIPTION , or refer to DESCRIPTION

If a circuit malfunction, overheating or an overcurrent of the generator inverter is detected, a signal is sent from the inverter with converter assembly to the MG ECU via the 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 hybrid vehicle control ECU assembly of the malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A1A-517 Generator Control Module Generator inverter fail signal detected (MG ECU malfunction):
Overcurrent occurs in the generator inverter.*
(1 trip detection logic)
  • Inverter with converter assembly
  • Wire harness or connector
Comes on Master Warning Light:
Comes on
P0A1A-809 Generator Control Module Abnormal generator inverter current (overcurrent) detected (MG ECU malfunction)
(1 trip detection logic)
  • Inverter with converter assembly
  • Wire harness or connector
Comes on Master Warning Light:
Comes on

*: The inverter with converter assembly may be suspected as a main cause of the malfunction.