What the hell does "older" Teslas mean? The first Model S came out only seven years ago and the cars that are having problems now are only 4 years old.
"When [the eMMC] burns out, you wake up to a black screen [on the car's central console.]," he continued. "There's nothing there. You can't tun on your climate control. You can generally drive the car, but it won't charge." He also suggested the problem tends to appear after about 4 years of driving, and urged Tesla to "open up diagnostics" for people who may be experiencing the problem.