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Home >> Hyundai >> 2017 >> Santa Fe XL Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) >> DTC P0462: Fuel Level Sensor 'A' Circuit Low Input >> Component Inspection >> Check FLS Resistance
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Check FLS Resistance

  1. IG "OFF" and Disconnect Fuel Sender & Fuel Pump Motor connector and Fuel Sub Sender connector.
  2. Remove fuel senders from fuel tank and measure the resistance of Fuel senders while lifting up and down the fuel level float.
  3. Does the resistance of FLS change as lifting up and down the fuel level float?

    YES 

    • Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Substitute with a known - good Fuel Sender and check for proper operation. If the problem is corrected, replace Fuel Sender and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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