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Home >> Chrysler >> 2000 >> 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

DTC P0462: Fuel Level Sending Unit Volts Too Low Or DTC P0463: Fuel Level Sending Unit Volts Too High

NOTE: For circuit identification, see WIRING DIAGRAMS article. After each repair procedure has been completed, reconnect all components. Perform TEST VER-2  to ensure system is functioning properly.
  1. Using scan tool, read DTCs. If WARM UP CYCLE counter is not equal to zero, go to next step. If WARM UP CYCLE counter is equal to zero, perform fuel level sending unit failure test. See INSTRUMENT CLUSTER SYSTEMS in BODY CONTROL MODULES - CONCORDE, INTREPID, LHS & 300M article in ACCESSORIES & EQUIPMENT.
  2. Turn ignition on. Using scan tool, monitor fuel level sensor voltage. While observing scan tool voltage, wiggle fuel pump module wiring harness and related connectors. If voltage changed, repair wiring harness as necessary where wiggling caused voltage to change. If voltage did not change, no problem is indicated at this time. Test is complete.
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