Voltage Boost Mod Stage 1 gets charging voltage up to 14.4VDC Works ON these models only 5.7L engines: Toyota LandCruiser – 2008-2017Toyota LX570 – 2008-2017Toyota Sequoia -2008-2017Toyota Tundra – 2007-2018 5.0L engines: Lexus ISF – All models 4.7L engines: Toyota Tundra – 2003-2009Toyota Sequoia – 2003-2009 4.6LToyota Tundra – 2007-2018Toyota Sequoia – 2007-2018Toyota Lexus GX460- 2013-2019 4.0L engines: Toyota 4runner – 2005-2019 (on 2017 and newer verify plug is 4 PIN and not single wire LIN bus) 3.5L engines: Toyota Venza – 2005-2018Toyota Avalon -2005-2018Toyota Camry -2005-2018Toyota Highlander – 2008-2018Toyota Sienna – 2007-2016Lexus ES350 – 2007-2018Lexus RX350 – 2007-2018Lexus ISF – All modelsLexus IS250- 2006-2016Lexus RC350- 2015-2018 3.3L engines: Toyota Sienna – 2004-2006Toyota Highlander – 2004-2007Lexus RX330- 2004-2008 2.4L engines: Toyota Camry – 2004-2018Toyota Rav4 – 2006-2008Toyota Matrix – 2007-2013Scion XB – 2008-2015 (note: 1.5L XB can have square or oval plug code/ see stock part#/sticker)Scion TC- 2005-2010 2.5L engines: Toyota Rav4 – 2009-2018 (for these models must verify plug is 4 PIN and not single wire LIN bus)Scion TC – 2011-2016Toyota Camry – 2012- 2018 (for these models must verify plug is 4 PIN and not single wire LIN bus) 1.8L engines: Toyota Corolla – 2009-2013Scion XD – 2008-2014