Warm Air Comes Out of the Vents. The Suction Line Is Cool to Warm, and the Discharge Line Is Warm to Hot

Warm air comes out of the vents. The suction line is cool to warm, and the discharge line is warm to hot

Probable cause: A problem with the refrigerant pressure

Do the refrigerant leak check A/C Refrigerant Leak Checkand repair any leaks, then recharge the system to specifications A/C System Charging

Also check for

Climate control DTCs Initial Inspection and Diagnostic Overview

Also check for

Check the amount of refrigerant oil in the system. Adjust the oil level as needed.