Transmission Identification

The code within the "TR" space denotes the type of transmission installed.

MANUAL TRANSMISSION
M -- 5 speed overdrive (M5OD)

AUTOMATIC TRANSMISSION
T -- 4 speed overdrive (4R44E)
D -- 5 speed overdrive (5R55E)
E -- 4 speed overdrive (E4OD)
U -- 4 speed overdrive (4R70W)