TSB: VOLUNTARY EMISSIONS RECALL: TCU UPGRADE - LAMBDA 3.3GDI 6AT TCU ROM ID MISMATCH (SC136) - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE TRANSMISSION CONTROL UNIT (TCU) SOFTWARE UPGRADE FOR SIXTY (60) 2017MY SORENTO (UMA) VEHICLES PRODUCED ON MAY 10, 2016 TO ADDRESS ROM ID MISMATCH. TO APPLY THE IMPROVED LOGIC, THE TCU SHOULD BE REPROGRAMMED USING THE GDS/KDS DOWNLOAD, AS DESCRIBED IN THIS BULLETIN. FOR CONFIRMATION THAT THE LATEST REFLASH HAS BEEN APPLIED TO A VEHICLE YOU ARE WORKING ON, VERIFY ROM ID USING THE TABLES IN THIS TSB. BEFORE CONDUCTING THE PROCEDURE, VERIFY THE VEHICLE IS INCLUDED IN THE LIST OF SIXTY (60) AFFECTED VINS (LISTED ON PAGE 8).
