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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Displays And Gages >> Diagnostic Information and Procedures >> DTC P0462 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the fuel level sensor.
  2. Ignition ON, verify that the scan tool Fuel Tank Level Remaining parameter is less than 4 percent.
    • If greater than 4 percent, test the signal circuit for a short to ground. If the circuit tests normal, replace the PCM.
  3. If all circuits test normal, test or replace the fuel level sensor.
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