: As noted by Klavkarr , scanners can be used to reprogram engines, and 1.63 is often the version that bypasses the "read-only" locks found in later updates.
Most 1.63 versions include a Save Log or Export Report function in the File menu. If you are troubleshooting a hardware failure, generating this report and viewing it in a text editor (like Notepad++) allows you to see raw error codes that the GUI might simplify too much. diag tool 1.63