TSB: SERVICE ACTION: IBU SMART TRUNK LOGIC IMPROVEMENT (SA390) - This bulletin provides the procedure to improve the logic of the Integrated Body Control Unit (IBU-BCM) on some 2019MY Forte (BDm) vehicles, produced from July 16, 2018 through June 3, 2019, which may exhibit improper function of the smart trunk operation and/or a parasitic battery draw.
