2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 178Get this manual
500 EFI FUEL SYSTEM 4Select the model year, product line and vehicle description by selecting the "Change Vehicle Type" icon7Select the file you want to load into the ECU then click the "Continue" icon to proceed to the Integrity Check and obtain Request Code5Select the "Special Tests" icon8Copy (CTRL+C) the Request Code that will be required on the dealer website in the next stepDO NOT CLOSE Digital WrenchTM or the Request Code will be invalidNOTE: All characters are letters; there are no numbers in request codeAuthorization Key goes here after obtained from the dealer website