Warm Air Comes Out Of The Vents (Without Climate Control)

Warm air comes out of the vents

Probable cause: The expansion valve is stuck closed

Do the Refrigerant Leak Check A/C Refrigerant Leak Check

Replace the expansion valve Service and Repair

Also check for

HVAC DTCs How To Troubleshoot The Heating And A/C Systems (Without Climate Control)

Also check for

Check the old expansion valve for contamination. If contaminants are found, replace the A/C system component Service and Repair containing the contamination.