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Home >> Lexus >> 2017 >> 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-151: Generator Control Module; DTC P0A1C-709: Drive Motor "B" Control Module [10/2015 - ] >> Description
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DTC P0A1A-151: Generator Control Module; DTC P0A1C-709: Drive Motor "B" Control Module [10/2015 - ]: Description

The MG ECU, which is built into the inverter with converter assembly, monitors its internal operation and will store DTCs if the system is malfunctioning.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A1A-151 Generator Control Module MG ECU internal malfunction:
Run pulse signal cycle deviation or stop
(1 trip detection logic)
Inverter with converter assembly Comes on Master Warning Light:
Comes on
P0A1C-709 Drive Motor "B" Control Module MG ECU internal malfunction:
R/D converter communication error
(1 trip detection logic)
Inverter with converter assembly Comes on Master Warning Light:
Comes on
RELATED DATA LIST

DTC No. Data List
P0A1A-151
P0A1C-709
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