TSB: SERVICE ACTION: 2.0T ECU REPLACEMENT FOR DTC P053F AND/OR P0087 (SA352) - This bulletin provides the procedure to replace the Electronic Control Unit (ECU) on some 2018MY Stinger (CK) 2.0T vehicles, produced from September 29, 2017 through March 27, 2018, which may exhibit engine hesitation and/or a Malfunction Indicator Light (MIL) ON with DTCs P053F and/or P0087 as the engine is warming up to operating temperature.