FORD 2009 F-150 v.2 - Manual (Page 400)

TRANSMISSION CODE DESIGNATIONS
You can find a transmission code on
the Safety Compliance Certification
Label. The following table tells you
which transmission each code
represents.
Description Code
Four-speed automatic (4R75E) Q
Six-speed automatic (6R80) 6
2009 F-150 (f12)
Owners Guide, 2nd Printing
USA (fus)
Maintenance and Specifications
400