Mercedes Benz Transmission Won't Shift? Limp Home Mode. How to RESET TCM Electronically.

Mercedes Benz Transmission Won't Shift? Limp Home Mode. How to RESET TCM Electronically. What Scanner ACTUALLY works and which ones don't work. How to access the TCM Module, read and reset any codes which are keeping the TCM in LIMP MODE. How to tell you are in Limp Home Mode.