1. MG

    2017–2019 Toyota Highlander HV Oil Cooler Pipe Special Service Campaign SSC 19TC04

    Special Service Campaign SSC 19TC04 Letter Condition: The involved vehicles are equipped with an engine oil cooling system. The oil cooling system could experience a small leak due to a manufacturing issue. If a vehicle is continuously operated with this condition, it may result in abnormal...
  2. OishiiJPN

    2017 Toyota Rav4 Hybrid with Coolant Loss

    If you run across a 2017 Toyota Rav4 Hybrid and the cooling system overflow tank is empty, check the EGR cooler for the cause of concern for this leak.
  3. OishiiJPN

    2007-2011 Toyota Sienna, Highlander and Venza Engine Oil Cooler Pipe Leak LSC ZE2

    You can check the status of any LSC on your Toyota here. Warranty Enhancement Letter ZE2 Genuine Toyota 15767-31020 Engine Oil Cooler Pipe Subject: Limited Service Campaign (LSC) ZE2 2007-2011 Sienna, 2008-2011 Highlander and 2009-2011 Venza Vehicles Enhanced Warranty Coverage for Engine Oil...