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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1383 (Hybrid Controls - DTC P0AFF To DTC P16F9) >> DTC P0C1A >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect for DTCs P0A45, P0A46, P0A79, P0BFE, P0C04, P0C08, P0C0E, P0C18, P0C4F, P0C57, P0C58, P0C61, P0C62, P1AFE, P1B04, or P1B10.
  2. Repair the following conditions if observed:
      IMPORTANT: If a seized or binding drive axle is observed, internal transmission damage may have occurred.
    • Seized or binding drive axle
    • Seized or binding transfer case (4 wheel drive option)
    • Seized or binding braking system
  3. Attempt to drive the vehicle and retest for DTC P0C1A.
    • If the DTC resets and the vehicle makes no attempt to crank the engine, program the PIM with the latest software version and recheck for DTCs. If the DTC resets after programming or if the PIM already contains the latest software version, replace the PIM.
    • If the engine initially starts but the vehicle later stalls, replace the drive motor generator assembly.
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