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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Electrical >> Gauges >> Displays And Gages >> Diagnostic Information and Procedures >> Engine Coolant Temperature Gage Inaccurate or Inoperative >> Circuit/System Testing

Circuit/System Testing

Ignition ON, perform the engine coolant gage sweep test with the scan tool.

If the engine coolant gage does not sweep from its low to high position, replace the IPC.

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