September 2026
Why Is My AC Blowing Warm Air After Cooling?
The vehicle's air conditioning system was not maintaining a consistent temperature. Initially, it would blow cold air but then switch to warm air, accompanied by a clicking sound from an actuator.
The team performed a diagnostic test on the ECM/PCM and checked the voltage at the AC compressor. They identified the faulty evaporator temperature sensor and replaced it to resolve the issue.
After the repair, the air conditioning system maintained a consistent cold temperature, eliminating the warm air problem.




