Es300 A.C Error Code 21?
#1
Lexus Test Driver
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Es300 A.C Error Code 21?
What does this mean? My a.c blows cold air but at the lowest fan speed. Even if I turn it up all the way, it still is stuck at the slowest speed. I checked the code and it flashed "21". Anyone know what it means? Thanks
#2
Lexus Fanatic
This means that there is an open or short in the solar sensor circuit. Sounds to me like an electrical problem with your A/C system. Go to your local A/C repair place and get it diagnosed.
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