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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (P-HEV Drive Motor System (Diagnostics)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0A08-12: Dc/Dc Converter Status Circuit Short To Battery >> General Description >> Explanation For Circuits

Explanation For Circuits

WARNING: This page is about a different variant/trim than selected.

DC/DC Converter controls output voltage variably depending on the vehicle condition using a voltage switching signal (VLO signal line) from the Motor generator control ECU. If the driver continues to drive while the DC/DC Converter is malfunctioning, Battery (12V) voltage drop occurs and the driver cannot drive any longer. Therefore, Motor generator control ECU monitors the DC/DC Converter operation and warns the driver of malfunction detection.

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