Moved thread to correct forum for visibility.
Do you have any policy currently configured? If not it is much easier to just reimage the module to the current 6.2.0 base image and then patch it to the current 6.2.0.2. There is a good article on the command line steps for that here:
https://www.petenetlive.com/KB/Article/0001164
If you need to retain the policies then you need to follow the multiple step upgrade process to do it inline. These are described in the Release Notes for the version you are targeting. For instance:
Version 5.4.1.1 > Version 6.0.0 Pre-Installation Package > Version 6.0.0 > Version 6.0.1 Pre-Install > Version 6.0.1. > Version 6.1.0 Pre-Installation Package > Version 6.1.0 > Version 6.2.0
Source: http://www.cisco.com/c/en/us/td/docs/security/firepower/620/relnotes/Firepower_System_Release_Notes_Version_620/important_update_notes.html#id_38002