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Home >> Dodge and Ram >> 2001 >> Intrepid Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0462: Fuel Level Sending Unit Volts Too Low Or DTC P0463: Fuel Level Sending Unit Volts Too High >> Testing
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DTC P0462: Fuel Level Sending Unit Volts Too Low Or DTC P0463: Fuel Level Sending Unit Volts Too High: Testing

  1. Turn ignition on. Using scan tool, read DTCs. If GOOD TRIP counter is displayed and equal to zero, identify fault symptom and perform appropriate test. See INSTRUMENT CLUSTER SYSTEMS under SYSTEM TESTS in BODY CONTROL MODULES - CONCORDE, INTREPID, LHS & 300M article in ACCESSORIES & EQUIPMENT. If GOOD TRIP counter is not displayed and equal to zero, go to next step.
  2. Conditions that set DTC are not present at this time. Perform the following to help identify intermittent condition:
    • Visually inspect fuel tank for physical damage.
    • With engine running at normal operating temperature, wiggle related wiring harness while monitoring related parameters on scan tool. If voltage changes or DTC sets while wiggling wiring harness, repair connectors or wiring harness where wiggling caused voltage to change or DTC to set.
    • Review freeze frame information on scan tool. Duplicate conditions present when DTC was set.
    • Refer to any technical service bulletins that may apply.
    • Visually inspect related wiring harness. Check for chafed, pierced, pinched or partially broken wires.
    • Visually inspect related wiring harness connectors. Check for broken, bent, pushed out or corroded terminals.

    If a problem is found, repair as necessary. If no problems are found, test is complete.

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