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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> Engine Will Not Crank >> 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. Ensure the range selector lever is in Park or Neutral.
  2. Turn the ignition key to crank.
  3. The engine should instantly crank and run.
    • If the engine starts and runs, the system is operating normally.
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