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Home >> Toyota >> 2016 >> Prius V Three >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - (Diagnostic Codes) (P0069-273 - P0A40-549) >> Hybrid Control System >> DTC P0A1B-503: Drive Motor "A" Control Module [08/2015 - ] >> Monitor Description

Monitor Description

If the motor inverter detects overvoltage, it will transmit an overvoltage signal to the MG ECU. Upon receiving this signal, the power management control ECU (HV CPU) will illuminate the MIL and set a DTC.