Hi.im in south africa and baught a trail dash for my 2012 jku with 37s and 4.88 ratio.but I cannot get the trail dash to work on my jeep.i did change the tire size and ratio settings but my jeep dont have any power at all.it goes into limp mode and give me a error witch say 1st gear gear ratio error.i did try the flashpaq and it worked but the trail dash wont work.please help wil be appreciated.

 

You should remove one, setting it back to stock, before you use the other.

 

Hi yes we have done that.im getting the same problem with both.but if I put the flashpaq on its fine.