TECHNICAL SERVICE BULLETIN: REAR COMBINATION LAMP INSPECTION AND SOFTWARE UPGRADE - This bulletin provides the procedure to inspect, and if necessary, replace the rear combination lamp holder and wire harness, and update the software logic of the Smart Junction Block (SJB) system on some 2020-2022MY Sportage (QL) vehicles produced from December 27, 2018 through December 7, 2021 equipped with a halogen bulb taillamp assembly. In some vehicles, the Master Warning Light may illuminate and display the message "Check brake light" on the instrument cluster, even if the brake light bulb is working properly.
