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Home >> Cadillac >> 2013 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Electrical System - Hybrid) >> Diagnostic Information and Procedures >> Charging System Test

Charging System Test

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

The accessory power module (APM) supplies the energy that flows between the high voltage (300 volt) direct current (DC) and low voltage (14 volt) DC to charge the 12 volt battery and power accessories. To test the charging system, refer to DC Power Conversion Test .