TSB: SERVICE ACTION: ECU LOGIC IMPROVEMENT FOR DTC P0606 (SA377) - This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2020MY Soul (SK3) 1.6T vehicles, produced from November 15, 2018 through February 28, 2019, which may exhibit a malfunction indicator lamp (MIL) illumination with DTC P0606.
