On multiple occasions while driving, we would get a fault/error message on the dash stating the Start/Stop system was malfunctioning and would be deactivated. We had the battery replaced at the dealer and had no issues for approximately 6 months. Not only does the car give a fault/error message when the fault occurs, but the car shuts off, while in motion (including at high speeds), causing us to have to coast through dangerous traffic to get to a safe place to put the car in park and then restart it. Once restarted, the car will run fine for an undetermined length of time before it shuts off again while driving for the same issue. Chrysler’s only recommendation is to change the battery, which has been replaced and the current battery tested for proper operation.