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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Hybrid Engine Controls - DTC B008A To DTC P0AF7) >> DTC P0A8E >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Turn the Ignition to ON.
  2. Connect a DMM to the 14 volt battery.
  3. Use the APM Low Voltage Control to turn on the APM 14 volt system. Vary the voltage setpoint with the scan tool ensuring that the DMM tracks the commanded voltage.
    • If the Low Voltage Control fails, replace the APM.
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