Hi Scotty,
My son has a 2011 Ford Ranger/4.0L v6 with automatic transmission. He has, for several months, had his check engine light illuminated. I hooked up my cheepo OBD2 scanner and got 10 codes. some engine related, some transmission related. I tried to clear the codes without success. I was able to turn the CE light off. It came back on after a few start/stop cycles.
How can I clear the codes? I want to clear them so I can recheck codes after he drives for a couple of days. Thanks for taking the time to respond!!

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disconnect the battery 15 minutes, see if it resets. Or reset it with a scan tool then do this video