Why is the right fan running at full speed after replacing battery.
I replaced the battery in my MacBook Pro 13” Touch Bar Late 2016 using the iFixit battery replacement kit. After the battery was replaced, the right fan started running at full speed (approx. 8600 rpm). I rechecked all of the connections inside the computer including the touch bar connection as suggested, and the fan still continues to run. I downloaded two different fan control software applications, and am unable to control the fan speed. When I checked the computer’s hardware using the Apple hardware diagnostic application, it reported a reference code PPF004, indicating that there may be problems with the fan. I would appreciate any recommendations that you may have.
Any new ideas regarding my fan problems?
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