TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ECM OBD CODE DISPLAY LOGIC IMPROVEMENT (SA474) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides the procedure to update the software logic of the Engine Control Module (ECM) system on some 2019MY Stinger (CK) vehicles equipped with the 2.0L T-GDI engine and 8AT transmission, 2020MY Soul (SK3) vehicles with 2.0L MPI engine and 6MT transmission, and 2020MY Sportage (QL) vehicles with 2.4L GDI engine and 6AT transmission, in order to improve OBD authentication code display logic.
