This listing is for a FICM - Fuel Injcetion Control Module for a 2001 to 2004 GM/GMC/Chevy Duramax Diesel LB7 . The module will be programmed to your exact VIN and mileage and the latest software updates available will be installed. There will be no need for any additional programming. When you receive your part you will be able to plug it in and start your vehicle. We will use the information that you supply below to program your part, if you are unsure of any information please leave the field blank and we will call or e-mail you as soon as possible. If you have any questions, feel free to give us a call or send us an e-mail. All of our contact info can be found by clicking the Contact Us at the top of this page. Thank you for visiting our site, we will be looking forward to doing business with you!