As you have found already, the correct part number ECM will run just fine without re-programming. If your state performs emissions testing and they inspect the ECM, the VIN programmed into the ECM will need to match your Jeep.
You can get the ECM re-flashed, but be aware that many Dealerships will refuse to do the job. There are a number of on-line and eBay sellers that will flash your VIN, and the current programming, into an ECM and send it to you.
A new Gallup opinion poll shows the NRA, at 58% approval, has a higher approval rating than either Hillary Clinton or Barack Obama.
Progressive Liberalism: Bringing you new Healthcare ideas so wonderful, they have to include mandatory participation ...
Originally Posted by Ronald W. Reagan: Government is not the solution to our problems; Government is the problem.