Automatic transmission control unit (TCU) Suzuki Escudo
Functions:
* Gear shift control
* Monitoring and adjustment of transmission operation
* Detects faults and turns on the Check Engine Lamp (CEL)
* Providing communication with other vehicle control modules
Location:
The location of the automatic transmission control unit may vary depending on the year of manufacture and model of the car. Usually it is located:
* Under the hood, next to the automatic transmission
*Under the dashboard
* In the center console
Part Numbers:
The part number of the automatic transmission control unit may vary depending on the vehicle configuration and year of manufacture. Common part numbers include:
* 37820-80G00
* 37820-60G01
* 37820-80G01
* 37820-80G06
Signs of malfunction:
*Hard shifts or slipping
* Lack of transmission response
* Check engine light flashing or on
* Increased fuel consumption
Diagnostics:
To diagnose a fault in the automatic transmission control unit, you need a scanner compatible with your vehicle. The scanner can read fault codes stored in the control unit, which indicate the possible cause of the problem.
Replacement:
If the automatic transmission control unit is faulty, it must be replaced. The replacement procedure may vary depending on the specific vehicle model. Typically required:
* Disconnect battery
* Drain transmission fluid
* Remove automatic transmission
* Remove and replace the automatic transmission control unit
* Put the automatic transmission back into place
* Fill in new transmission fluid
*Connect battery