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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Hybrid Engine Controls - DTC P181C To DTC P2797) >> DTC P1AF0 or P1AF2 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
    IMPORTANT: DTC P1AE7 must test and pass before performing this diagnostic procedure.
  1. Inspect for DTC P1AE7.
    • If the DTC is set, the loss of isolation has occurred within the drive motor generator battery. Diagnose this concern first. Refer to DTC P1AE6 or P1AE7 .
  2. Inspect for DTCs P0A78, P0A79, P0BFD, P0BFE, P0C01, or P0C04.
  3. Clear the DTC information.
  4. Turn the ignition OFF for 1 minute.
  5. Turn the ignition ON.
  6. Operate the vehicle within the Conditions for Running the DTC.
  7. Retest for DTCs P1AF0 and P1AF2.
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