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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1220 (Hybrid Engine Control System) >> Diagnostic Information and Procedures >> DTC P0C2F >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: Diagnose ECM DTCs P0335 and P0336 prior to performing this procedure.
  1. Repair the following conditions if observed:
    • ECM CKP sensor DTCs
      • IMPORTANT: If mechanical binding of the engine is observed, internal transmission damage may have resulted when drive motor 1 attempted to crank the seized engine.
    • Mechanical condition which would cause drive motor 1 to rotate without a corresponding rotation of the engine.
  2. Ignition ON, retest for DTC P02CF.
    • If the DTC resets, test each drive motor generator position sensor for proper operation. Refer to DTC P1B03 or P1B04 .
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