I sure had the same thing happened to me so I took out the cigarette cell phone charger and the check engine light went out I seen on YouTube something about radio frequencyEarlier today I had an iPhone plugged in using a USB 12V adapter and a no name iPhone lightning cable in the 12V socket, a Samsung USB type C cable in my USB slot and a griffin aux cord all plugged in, previously this has never caused trouble. However this was the first time using this iPhone cable my girlfriend has instead of the Apple one I had in the car. I had the check engine light come on and my dealership in Dallas told me it was essentially something pulling too much power from the 12V. They cleared the light and said I was fine to travel to Lubbock (5 hours away) and have it fixed when I could get it in the shop here. It came back on shortly after filling up and with just the USB adapter and no name iPhone cord plugged in.
Has anyone had this issue before or know how I can clear this to see if it replicates without the supposed faulty cord?