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HOMESERVICE MANUALSDODGE AND RAM2020DURANGO GT, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 17 (5.7L - DTCS P0175 TO P050B)DTC TROUBLESHOOTINGP0461-FUEL LEVEL SENSOR 1 PERFORMANCEWHEN MONITORED
2020 Dodge and Ram Durango GT, AWD

When Monitored

2020 Dodge and Ram Durango GT, AWDSECTION When Monitored
WARNING: This page is about a different variant/trim than selected.

This diagnostic runs continuously when the following conditions are met:

  • With the ignition on.
  • Battery voltage above 10.4 volts.
  • No active fuel level missing message faults.


Single Tank System: 

  • With the engine running for more than two minutes.
  • After the PCM decides that a calibrated amount of fuel should have been consumed (between approximately one and five gallons depending on initial fuel level).
    • This is determined by the accumulated amount of fuel injected into the engine through the Fuel Injectors.

Saddle Tank System: 

  • The primary level rationality diagnostic runs when the Fuel Level Sensor 2 (Secondary) is reading empty.
  • The secondary level rationality diagnostic runs when the Fuel Level Sensor 1 (Primary) is reading full.

Dual Tank System: 

  • The primary level rationality diagnostic functions the same as the Single Tank System.
  • The secondary level rationality diagnostic runs when a fuel transfer event is occuring.

Set Conditions for Single Tank vehicles: 

  • If the PCM does not see a change in fuel level of greater than 0.06 volts after the calibrated amount of fuel should have been consumed the diagnostic will fail.

Set Conditions for Saddle Tank vehicles: 

  • Primary Fault (P0461) - If the PCM does not see a change in Fuel Level Sensor 1 of greater than 0.06 volts after the calibrated amount of fuel should have been consumed the diagnostic will fail.
  • Secondary Fault (P2066) - If the PCM does not see a change in Fuel Level Sensor 2 of greater than 0.06 volts after the calibrated amount of fuel should have been consumed the diagnostic will fail.

Set Conditions for Dual Tank vehicles: 

  • Primary Fault (P0461) - If the PCM does not see a change in fuel level of greater than 0.06 volts after the calibrated amount of fuel should have been consumed the diagnostic will fail.
  • Secondary Fault (P2066) - No change in Fuel Level Sensor 2 circuit voltage after a significant amount of fuel should have been transferred from the Auxiliary Fuel Tank to the Primary Fuel Tank.

Default Actions: 

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.