![]() Note: All apple service centers are closed due to COVID-19. ![]() How is it possible for a battery to depleted within 130 cycles when it is guaranteed as 1000 cycles?.Does apple diagnostics cover all sensors? If PFM006 is the only error returned, does that mean all sensors are working fine? While Apple typically provides free diagnostic support at its Genius Bar, not everyone can take the time out of their day to show up at a physical store.Could there be any relation between these three events (PFM006, Battery, Kernel_Task)?.Is the Kernel_task issue related to PFM006 (SMC)?.If battery is replaced, will this issue go away? Else could it be a faulty temperature sensor? Apple Diagnostics test revealed one issue PFM006 - SMC issue. When checked activity monitor, Kernel_Task shows 300 % of CPU. The system when connected to AC power turns on but it is running extremely slowly. ![]() Coconut Battery test shows that current capacity is 9 % of design capacity. Battery status is showing as "replace now". If I unplug from power source the system shuts down. I was running Windows via Bootcamp in heavy load, letting it discharge fully and charge repeatedly. If no issue is detected but there is definitely a problem, you may need to reinstall your operating system.My Macbook Air (2018) Retina battery has depleted within 130 cycles. they also do not check the operating systems or any problems that may be related to software i.e. Neither Apple Hardware Test nor Apple Diagnostics will check any of the external hardware, like non-Apple devices, Firewire, USB, etc.
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