Mine has done it prob 10 times since late August, always goes away when truck is turned off. Dealer scanned codes P0929 and U211B. Said it’s a bad gear shift module, of course part is on back order. They told me I can drive my truck because everything is operating normal. 24 lariat 5.0 with 3800...
So about a month ago I got a service wrench and alert on ford pass saying powertrain malfunction. Light went away once truck was parked a few hours. It has came on maybe 7 times in last month, going away each time after it’s turned off. Ford scanned it and said the Gear Controle Module is bad...
So Monday I got the powertrain malfunction warning and the service engine wrench icon. After an hour of being parked it went away. Vehicle health was “good”. Popped up again today. Let vehicle sit for an hour, and it was still there when I crunk it back up. Truck is driving fine. Taking it to...