This engine computer comes programmed/flashed to your VIN and mileage. The engine computer will be Plug&Play with no other programming needed. This engine computer is compatible with the following part numbers: 05018189AA 56041423AA 56041423AB 56041423AC 56041423AD 56041423AE 56041423AF 56041423AG 56041423AH
This part will fit these makes and models with these options
GRAND CHEROKEE 99 Electronic Control Module; (RH rear engine compartment), 6 cylinder (4.0L), Federal emissions