Warm Air Out of the Vents. But A/C Command Is Normal (A/C Switch and Clutch Are on)

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 A/C Compressor Replacement (With Climate Control)

Also check for

HVAC DTCs Initial Inspection and Diagnostic Overview

Also check for

Add refrigerant oil depending on the part you replaced A/C Refrigerant Oil Replacement (With Climate Control)