I have same issues my 2011 Durango the settings on fans will not work only when a/c is on besides that car still heats up to 226 a and then fans kick on lower it down to 210-226 in city driving.

With that thermostat how hot does coolant go up to. Am running the jet 180 and changed settings on trinity for fans but don't think there working mine is going up to from 210-226

I just installed trinity did back up of tune n installed jet 180 t stat but when I load tunes n modify them with fan settings if doesn't work I put fans to start hs 193.99 and ls at 188.99 and I only have three settings 2 ac on n ac off . When Durango is cold it stays at 180-195 but after driving ...