Where is the computer that controls the automatic transmission on a 2000 Isuzu Trooper located?

There is no computer it's all centrifugal force.Where is the computer that controls the automatic transmission on a 2000 Isuzu Trooper located?
The transmission shifting and torque converter clutch lockup is controlled by the PCM (powertrain control module). It is located on the passengers side inner fender, behind the battery, in the engine bay.