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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 497 (Hybrid/EV Energy Storage System) >> Diagnostic Information and Procedures >> Drive Motor Battery Odor >> Circuit/System Testing

Circuit/System Testing

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, inspect the hybrid drive motor battery air inlet and outlet ducts for debris, or for a restriction.
    • If debris or a restriction is found, repair as necessary.
  2. Inspect that the drive motor generator battery exhaust duct and the battery vent tube assembly are properly installed.
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