Several users have reported that Passbook does not work on their iPhones and iPods. Specifically, users have reported that they receive a “Cannot connect to iTunes store” error when they select “App Store” from the Passbook home. Passbook is an new iOS 6 app that lets you keep your boarding passes, movie tickets, retail coupons, etc. all in one place.
Fix:
Tap Settings>General>Date and Time>Set Automatically>Off. Set the date to one year ahead (like 2013) and try again.
UPDATE: Several users (see comments below) have stated that changing the date to 2024 fixed their issue.
Notes:
- Passbook is not available for iPad
- Passbook app requires Passbook-enabled apps
Related: Cannot connect to iTunes store / App Store