A software update to Jeep 4xE models caused major malfunctions over the weekend – leaving many owners stranded and some in danger after their power failed.The culprit appears to have been a buggy "over the air" (OTA) software update to the company’s uconnect software on Friday October 10, which “bricked” vehicles if owners installed it.A Jeep customer support representative on a 4XE forum posted Saturday: “Please exercise extreme caution this evening if you have completed the update. If you have...