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Home >> Cadillac >> 2008 >> XLR Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays & Gages >> Diagnostic Information and Procedures >> DTC P2067 >> Circuit/System Testing

Circuit/System Testing

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