TSB: REVISION NOTICE November 14, 2019 Rev2: ? The Applicability has been updated to include 2019 model year Toyota vehicles.
? The Introduction and Repair Procedure sections have been updated. August 15, 2018 Rev1: ? The Applicability has been updated to include 2018 model year Highlander, Sienna, and Tacoma vehicles. ? The Introduction and Warranty Information sections have been updated.
Any previous printed versions of this bulletin should be discarded. Some 2018 ? 2019 model year 2GR-FKS-equipped Camry, 2017 ? 2019 model year Highlander and Sienna, and 2016 ? 2019 model year Tacoma vehicles may exhibit a knocking noise from the vacuum pump with the engine idling. Follow the Repair Procedure in this bulletin to address this condition.