TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2308) - This bulletin provides the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2011-2014MY Sedona (VQ) vehicles produced from March 3, 2010 through April 4, 2014 and certain 2015-2021MY Sedona (YP) vehicles produced from July 29, 2014 through July 8, 2020, which may not be equipped with an immobilizer. This logic upgrade will add anti-theft ignition start logic to the vehicle's system operation. Follow the procedure outlined in this publication to apply the improved logic to the "IBU-BCM" system using the KDS ECU Upgrade function as described in this bulletin. For confirmation that the latest reflash has been applied to a vehicle you are working on, verify the ROM ID using the table on page 3 of this bulletin.
