TSB: SERVICE ACTION: ECU UPGRADE - DTC P0441 LOGIC IMPROVEMENT (SA280) - This bulletin provides information related to the Engine Control Unit (ECU) software upgrade for some 2012-2016MY Rio (UB), 2014-2016 Soul (PS), and 2012-2013MY Soul (AM) vehicles, which may have a MIL on with DTC P0441: Evaporative Emissions System Incorrect Purge Flow.
