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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 513 (Engine Controls/Fuel - Hybrid (LZ1) - DTC P0010 To DTC P0341) >> Diagnostic Information and Procedures >> DTC P0016 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, open the hood to disable the Auto-Stop function. Refer to Hybrid Modes of Operation Description .
  2. Ignition ON, verify the scan tool hood position parameter displays Open.
  3. Start the engine.
  4. Allow the engine to reach normal operating temperature.
  5. Allow the engine to idle.
  6. Observe the DTC information with a scan tool.
    • If the scan tool indicates DTC P0016 has failed this ignition cycle, continue with the Circuit/System Testing.
  7. If the vehicle passes the Circuit/System Verification test, operate the vehicle within the Conditions For Running the DTC. You may also operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records data list.
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