Update: MacBook Air SMC issues after software update

Links to previous questions; MacBook Air SMC issues after software update

13" Mid 2013 MacBook Air wont turn on after update

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This MBA is experiencing several SMC related issues including;

• Macbook will not go to sleep
• Magsafe charger will not light up
• Fan goes full force the second I turn on the computer
• Keyboard backlight will not turn on
• MacBook not recognizing the battery
• Wont connect to Wi-Fi

Because it failed while updating to MacOS 10.14 Mojave, and is only having these issues afterwards, I am convinced an SMC update failed.

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I am trying to manually reinstall SMC firmware using the following forum https://discussions.apple.com/thread/485...

However I am getting this error while running the command “SmcFlasher.efi -reset 1”;

“Warning (at least one SMC ) is not in the expected AppCode mode, but in ‘U’ mode

.

To enter AppCode mode run SmcUtil with the ‘reset 1’ option.”

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How can I run “SmcFlasher.efi -reset 1” without getting the error?

Is there another way to manually flash SMC?

Thanks in advance!