TECHNICAL SERVICE BULLETIN: SERVICE ACTION: 1.6L GDI WITH MIL ON DTC P050A ECM LOGIC IMPROVEMENT (SA485) - This bulletin provides the procedure to update the software logic of the Engine Control Module (ECM) system on some 2014-2016MY Soul (PS) vehicles with Gamma 1.6L GDI engines, produced from August 29, 2013 through July 26, 2016, which may exhibit an MIL ON with DTC P050A (Cold Start Idle Air Control System Performance).
