TSB - BCW LOGIC IMPROVEMENT FOR DTC C270254 - This bulletin provides the procedure to improve the logic of the Blind Spot Collision Warning (BCW) system on some 2019MY Sorento (UMa) vehicles, produced from January 22, 2018 through September 22, 2018, which may experience a Malfunction Indicator Lamp (MIL) illumination with DTC C270254, even though there is no issue or defective part.