Join Date: Dec 2015
Location: Louisville, KY
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A dealer has the ability reprogram the sensor activation to any PSI you desire, if they are willing. Many (mine incl) will not fearing potential liability. Many with the bone jarring Vancos run reduced pressures. This does reduce the max load recommended by the manufacturer. I believe when I looked it up when deciding to run 55 psi myself, it reduced the max load from 3195 to 2270 lbs each (So, 464 lbs. under the max rear axle rating of my 118 van, not a problem for me in typical usage).
One note, if you are using a tire not designated at least “LT” the tire manufacturers advise to de-rate the published max load rating by 9%.
2017 118" WB, Gas, Deep Cherry Red Crystal Pearl (Dark Red if you're not in marketing).
Last edited by pjoconnor2001; 04-25-2019 at 08:54 PM.