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Home >> Cadillac >> 2007 >> XLR Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC P2066 or P2636 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, remove the secondary (right) fuel level sender and verify there are no objects interfering with the fuel level sender.
    • Repair any fuel level sender interference.
  2. Replace the secondary (right) fuel level sender.