2542

UnclassifiedFuel

What This Code Means

Fuel level sensor voltage is out of range

Possible Causes

  • •Faulty Fuel Level Sensor Connections
  • •Faulty Fuel Level Sensor
  • •Improper Wiring

Suggested Actions

  1. 1Disconnect the engine harness connector from the fuel level sensor and inspect connector pins for corroded, bent, broken, pushed back, or expanded pins
  2. 2Inspect fuel level sensor and engine harness connector for evidence of moisture, missing or damaged seals, and dirt or debris
  3. 3Disconnect the engine harness connector from the fuel level sensor and measure the resistance between the fuel level sensor signal pin and return pin
  4. 4Ensure wiring from the coolant temperature sensor is connected to the correct Aux 101 input
  5. 5Check wires for breaks or abrasions
  6. 6Check wires for moisture and debris at connection points
  7. 7Using the display or InPower Service tool, verify calibration in the PCC control and update to the latest calibration on the InCal website if required
  8. 8Using the InSite Service tool, verify calibration in the ECM and update to the latest calibration on QSOL if required

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