Location of the automatic transmission control unit in Nissan Presage
The automatic transmission control unit (TCU) in the Nissan Presage is usually located in one of the following locations:
*Under the hood next to the battery
*In the lower left corner of the engine compartment, next to the fuse box
*Under the dashboard on the driver’s side
How to find the automatic transmission control unit
1. Open the hood or open the lower left part of the engine compartment.
2. Find the black block with the multi-pin connector.
3. Inspect the housing for the inscription “Transmission Control Unit” or “TCU”.
Appearance of the automatic transmission control unit
The automatic transmission control unit is a small black block with several connectors. Connectors usually come in different shapes and sizes to prevent misconnection. The unit body may contain its part number or other markings.
Notes
* The location of the automatic transmission control unit may vary slightly depending on the year of manufacture and vehicle configuration.
* Disconnecting the automatic transmission control unit may require special tools or skills. It is recommended that you contact a qualified mechanic.
* Do not attempt to repair or replace the automatic transmission control unit yourself, as this may cause serious problems with the vehicle.