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Home >> Pontiac >> 2008 >> G5 Base, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays & 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 the Fuel Tank Level Remaining parameter is 4 percent or less.
    • If greater than the specified range, test the signal circuit terminal C for a short to ground. If the circuit tests normal, replace the ECM/PCM.
  3. If all circuits test normal, perform the fuel level sensor component test before replacing the fuel level sensor.
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