What is SMC reset?
What is SMC reset? For MacBooks, the process is as follow: Shut down the computer. On the left side of the keyboard, press and hold the Shift, Control, and Option keys while simultaneously holding the power button. After 10 seconds, release all of the keys. How do I clear my permanent DTC code? A Permanent Diagnostic Trouble Code (DTC) is stored when a DTC is confirmed and the Malfunction Indicator Lamp (MIL) has been illuminated. A Permanent DTC can only then be cleared by the module strategy and cannot be erased by clearing DTCs with a scan tool, a Keep-Alive...