99-04 JEEP GRAND CHEROKEE WJ 4.7L TUNE ServiceNumber_12606126 Module / primary service number:

Module / primary service number: 12642927

4L Shelby 57 RWHP 39 ft-lbs

THIS IS FOR A SERVICE NOT A PHYSICAL PART

THERE WILL BE NO NEED TO HAVE ANY ADDITIONAL RELEARNS DONE ON THE VEHICLE

Makes covered: Chevrolet

99-04 JEEP GRAND CHEROKEE WJ 4.7L TUNE ServiceNumber_12606126 Module / primary service number:THIS IS A SERVICE FOR PROGRAMMING YOUR ENGINE COMPUTER. You will send us your computer for us to perform the service. If you are in need of a computer please contact us or check our inventory. In almost all cases we will be able to set you up with one even if it is not listed on our website just give us a call or shoot us an email and we can get you more information. Some of the many things that we can adjust include: Performance Programming for