Group 8W-31 (Transmission Control System)

8w-31-12 (Diesel):

8w-31-13 (Diesel):

8w-31-14 (Diesel):

8w-31-15 (Electric Transfer Case):

8w-31-16 (Electric Transfer Case):

8w-31-17 (Electric Transfer Case Except 3.7L):

8w-31-18 (Electric Transfer Case Except 3.7L):

8w-31-19: