Sounds like your "Module" should be covered by the warranty
EMISSIONS DEFECT WARRANTY COVERAGE
During the warranty coverage period, Ford Motor Company warrants
your vehicle or engine is designed, built, and equipped to meet - at
the time it is sold - the emissions regulations of the U.S.
Environmental Protection Agency (EPA).
your vehicle or engine is free from emission-related defects in
factory-supplied materials or workmanship, which are defects that
could prevent the vehicle or engine from conforming with applicable
you will not be charged for diagnosis, repair, replacement, or
adjustment of parts containing an emissions-related defect. Applicable
parts are listed under What is Covered? on pages 20-21.
The warranty coverage period for:
Passenger cars, light duty trucks (applies to vehicles up to 8,500
8 years or 80,000 miles (whichever occurs first) for catalytic
converters, electronic engine control unit (ECU), transmission control
module (TCM), and any other onboard emissions diagnostic module.
3 years or 36,000 miles (whichever occurs first) for all other
Heavy duty vehicles (applies to trucks over 8,500 pounds GVWR up to
19,500 pounds GVWR)
5 years or 50,000 miles (whichever occurs first) for all covered
See WHAT IS COVERED for list of covered parts.
Link to complete 2011 Warranty Guide Here