TSB: VOLUNTARY EMISSIONS SERVICE CAMPAIGN - ECM/TCM SOFTWARE UPGRADE (SC105) - This bulletin provides information related to an inspection of the current ECM ROM ID and, if necessary, an upgrade of the ECM/TCM software on some 2011MY Sedona (VQ) vehicles, produced from March 3, 2010 through February 14, 2011 and some 2012MY Sedona (VQ) vehicles, produced from February 7, 2011 through August 14, 2012, which may not be in compliance with EPA and/or CARB emissions regulations.
