TECHNICAL SERVICE BULLETIN: SERVICE ACTION: IBU JUDGEMENT LOGIC IMPROVEMENT UPDATE (SA423) - This bulletin provides the procedure to improve the judgement logic of the Integrated Body Control Unit (IBU) on some 2021MY Seltos (SP2) vehicles equipped with a standard key type (non-Smart Key), produced from November 21, 2019 through March 23, 2020, which may exhibit MIL ON with DTC(s) listed below. To correct this concern, apply the improved logic to the ECU using the KDS ECU Upgrade function as described in this bulletin.
