The prom chip will need to be transferred from your original computer. We use Alldatapro for our repair information. If you need diagnostic information please let us know and we can help. We are also a member of IATN (International automotive technicians network) a valuable resource of auto repair information. The item "GM Engine control module 01227730 One year warranty.ECU ECM PCM" is in sale since Tuesday, July 10, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Starters, Alternators, ECUs & Wiring\ECUs & Computer Modules". The seller is "flashmasters" and is located in Cincinnati, Ohio. This item can be shipped to United States.