Temp of Liquid Line Same Both Sides of Expansion Valve, Evaporator Coil or Suction Line Heavy Condensation

The temperature of the liquid line is the same on both sides of the expansion valve, and the evaporator coil or suction line has heavy condensation

Probable cause: The expansion valve is stuck open

Replace the expansion valve Service and Repair

Also check for

HVAC DTCs Initial Inspection and Diagnostic Overview

Also check for

Check the old expansion valve for contamination. If contaminants are found, replace the A/C system component that caused the contamination.