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Home >> Cadillac >> 2013 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Hybrid/EV Energy Storage System) >> Diagnostic Information and Procedures >> DTC P1A21 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Verify that DTC P1AE4, P0A80, P1ABE, or P1A0C is not set.
  2. Verify that DTC P1A21 is not set.
    • If DTC P1A21 is set, replace the drive motor generator battery control module.
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