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Home >> Cadillac >> 2017 >> Escalade Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC P0461-P0464, P2066, P2067, or P2068: Fuel Level Sensor (with L96 engine) >> Component Testing

Component Testing

  1. Ignition OFF/Vehicle OFF, remove the fuel level sender.
  2. Sweep the fuel level sensor through its full range of motion while measuring resistance between the signal terminal C and the low reference terminal B.
  3. Test for a minimum resistance value of 37-43 Ω and a maximum value of 245-255 Ω without any spikes or dropouts.
    • If minimum resistance is not 37-43 Ω, maximum resistance is not 245-255 Ω, or if there are any spikes or dropouts 

      Replace the fuel level sensor.

    • If minimum resistance is 37-43 Ω, maximum resistance is 245-255 Ω, and if there are no spikes or dropouts 
  4. All OK.
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