Warm Air From Vents, Liquid Line/Condenser Outlet Abnormally Cool, Frost/Condensation on Receiver/Dryer (With A/C)

Warm air comes out of the vents. The liquid line or the condenser outlet is abnormally cool, or there is frost or condensation on the receiver/dryer

Diagnostic Procedure:

1. Probable cause: A restriction in the high-pressure side of the system

2. Recover A/C refrigerant, A/C Refrigerant Recovery (With A/C) then check the liquid line, the receiver/dryer, and the condenser for restrictions. Repair as needed. Recharge the system to specifications A/C System Charging (With A/C)

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- HVAC DTCs How To Troubleshoot The Heating and A/C Systems (With A/C)