hello, what year Jeep do you have?
I see that -- I responded to your other question-- do you have two keys -- if so -- have you tried both with the same result?
ok-- what we have is a faulty security key immobilizer module-- here is the bad news-- this module needs to be replaced and programmed by the dealer --
say it aint so
I wish I could -- this module contains security code specific for this Jeep -- only a dealer has access and ability to program new to match