Keep your ESI [truck] running with uninterrupted coverage, special tests and bidirectional controls Renew your annual software subscription to keep special tests, bidirectional coverage and OE-specific codes on your ESI [truck] After your subscription expires, ESI [truck] will only read SAE standard code and data Contact your local Bosch distributor and visit boschdiagnostics.com to activate your new 12-month diagnostics subscription .