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Home >> GMC >> 2012 >> Yukon Base, 4WD >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 1220 (Hybrid Engine Control System) >> Diagnostic Information and Procedures >> DTC P16F9 >> 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.
  1. Inspect for DTC P0562 or any communication DTCs.
  2. Ignition OFF.
  3. Wait 2 minutes.
  4. Disconnect PIM connector X1.
  5. Wait 2 minutes.
  6. Reconnect PIM connector X1.
  7. Ignition ON, retest for DTC P16F9.
    • If the DTC resets, 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.
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