7. A/C Climate Control Unit (CCU) and Cabin air temperature sensor
Regardless of the mileage, your A/C CCU will fail.
The CCU computer board was re-furbished and the Cabin air temperature was cleaned as it was making annoying noise.
Lots of dust inside the sensor. You can only clean it thoroughly by disassembling it. Now, it is smooth and quiet.
Now it is clean....
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