If you receive the Reader upload request :x7F negative response code error, this likely indicates your vehicle has been previously tuned and the ability to read the tune has been disabled.
|1.||Please start a Support Ticket.|
|2.||Obtain a VCM Suite Infolog while connected to the vehicle.|
|3.||Locate and prepare a Debug.dat file from your PC. This is located in Documents > HP Tuners > Settings.|