TSB - ECU UPGRADE ? DTC P0441 LOGIC IMPROVEMENT - This bulletin has been revised and is no longer a Service Action. bulletin provides information related to the Engine Control Unit (ECU) software upgrade for some 2012-2016MY Rio (UB), 2014-2016MY Soul (PS), and 2012-2013MY Soul (AM) vehicles, which may have a malfunction indicator light (MIL) ON with DTC P0441: Evaporative Emissions System Incorrect Purge Flow.
