With Climate Control

Warm air comes out of the vents, but A/C command is normal (A/C switch and clutch are on)

Probable cause: A/C compressor failure

Do the A/C system test A/C System Test, and correct any problems. If necessary, replace the A/C compressor Service and Repair

Also check for

HVAC DTCs How to Troubleshoot the Climate Control System

Also check for

Add refrigerant oil depending on the part you replaced Service and Repair