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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 >> DTC P0AFB >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Verify that no hybrid powertrain control module (HPCM) DTCs are set due to high battery voltage.
  2. Engine running or autostop, observe the scan tool ACCM High Battery Voltage parameter. The reading should be between 225 V and 380 V.
    • If greater than the specified range, replace the ACCM.
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