FORD 2012 Flex v.1 - Manual (Page 373)

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
6-speed automatic transmission (6F50) J
6-speed automatic transmission (6F55) G
Maintenance and Specifications
373
2012 Flex (471)
Owners Guide, 1st Printing
USA (fus)