Affected Component: ENGINE AND ENGINE COOLING

Date Published
JAN 10, 2019
NHTSA TSB #
10152916
TSB Document
Summary
TSB: SERVICE ACTION: 2.4L GDI ENGINE START LOGIC IMPROVEMENT (SA369) - This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2019MY Optima (JFa) vehicles, produced from May 21, 2018 through January 4, 2019, which may experience an intermittent difficult-to-start concern during a cold start.