TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BMS/FATC OPERATION LOGIC IMPROVEMENT WHILE BATTERY CHARGING (SA473) - This Service Action SA473 supersedes (TSB ELE203/SA427 ), which is now closed. Please follow the updated information in this bulletin for the noted issue. This bulletin provides the procedure to upgrade the Battery Management System (BMS) and Full Auto Temperature Control (FATC) software on some 2016-2017MY Soul (PS EV) vehicles, produced from May 21, 2015 through August 29, 2017, in order to improve air conditioning operation while the battery is charging.
