RAM diesel is in danger of being disabled to a 5 mph speed thanks to an EPA ruling that mandates DEF being injected into the exhaust catalyst to minimize soot emissions! The vehicle software has detected a fault with the catalytic converter and the Dodge dealer says they are back ordered! The software is being "flashed" in the hope of making the error disappear but if it does reappear I only get 200 miles before we get automatically disabled to 5 mph limp mode! Update to follow...