The automatic transmission control unit (transmission electronic control unit or TCU) in a Mitsubishi is usually located in different places depending on the model and year of manufacture of the car:
Under the hood:
* On the front left side of the engine compartment, attached to the mudguard or vehicle frame.
* On the top of the gearbox, above the sump.
*Under the air filter or intake manifold.
Inside the cabin:
* Under the center console, next to the gear selector.
*Under the dashboard, behind the glove box.
Under the car:
* Attached to the transmission or frame of the vehicle.
The exact location may vary depending on the specific Mitsubishi model and year. It is recommended to refer to the repair manual or service manual for exact information.