At this time we do not support major or minor upgrade directly on the image itself. However, we do support maintenance and patch upgrades.
Please be sure to follow the appropriate Teradata Migration Guide <== Link
Each version of TVME will have installation documentation and each version of the database will have a document. We advise that you pick up the latest version of TVME which is currently 15.10 (as of May 20, 2016)
Documentiaon can also be found here to all versions of TVME.