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.
According to the National Shooting Sports Foundation, AR-15 sporting rifles account for nearly 20% of all U.S. firearms sales.
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.