TSB: REVISION NOTICE December 13, 2017 Rev1: ? Applicability has been updated to include 2013 ? 2017 model year RX 450h vehicles. ? The Introduction and Repair Procedure sections have been updated. Any previous printed versions of this bulletin should be discarded. Some 2010 ? 2017 model year RX 450h vehicles may exhibit one or more of the following conditions: ? MIL ?ON? with DTC P0300/00, P0301/00, P0302/00, P0303/00, P0304/00, P0305/00, and/or P0306/00 present
? Rough running on initial start-up after a cold soak Follow the Repair Procedure in this bulletin to address these conditions.
