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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 865 (Instrument Panel System Displays And Gauges) >> Diagnostic Information & Procedures >> Volt Gauge Inaccurate or Inoperative >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, perform the volt gauge sweep test with the scan tool.
    • If the volt gauge does not sweep from its low to high position, replace the IPC.
  2. Ignition ON, verify the scan tool Battery Voltage parameter matches the value on the volt gauge.
    • If the value on the volt gauge does not match the scan tool parameter, replace the IPC.
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